Finding the Fourth Proportional to 17,640, 26,460 and 5,328
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Solution
The fourth proportional to 17,640, 26,460 and 5,328 is: 7,992
Step by Step Solution
- Step 1: Write the proportion equation
17,640 : 26,460 = 5,328 : x - Step 2: Convert to fraction form
17,640/26,460 = 5,328/x - Step 3: Cross multiply
17,640x = 26,460 × 5,328 - Step 4: Simplify right side
17,640x = 140,978,880 - Step 5: Solve for x
x = 140,978,880/17,640 - Step 6: Final answer
x = 7,992
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.