Finding the Fourth Proportional to 26,489.13, 36,552.97 and 15,876.71
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Solution
The fourth proportional to 26,489.13, 36,552.97 and 15,876.71 is: 21,908.65
Step by Step Solution
- Step 1: Write the proportion equation
26,489.13 : 36,552.97 = 15,876.71 : x - Step 2: Convert to fraction form
26,489.13/36,552.97 = 15,876.71/x - Step 3: Cross multiply
26,489.13x = 36,552.97 × 15,876.71 - Step 4: Simplify right side
26,489.13x = 580,340,878.48 - Step 5: Solve for x
x = 580,340,878.48/26,489.13 - Step 6: Final answer
x = 21,908.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.