Earlier Phil Hughes hit his second century of the series. Australia and Sri Lanka will now meet in two Twenty20 internationals on Saturday and Monday.
Brief scores: Australia 247-5 (P Hughes 138 not out) v Sri Lanka 215 all out off 48.3 overs (A Mathews 67. Doherty 3-21).
Kiwis win seriesKimberley: A sublime unbeaten 145 by Kane Williamson led New Zealand to a 27-run victory over the Proteas in the second one-day international on Tuesday to seal their first series win on South African soil.
Brief scores: New Zealand 279/8 (K Williamson 145*, G Elliott 48) v South Africa 252 in 49.1 ovs (C Ingram 79, G Smith 66)