Finding the Fourth Proportional to 26,657.19, 36,775.26 and 15,324.08
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Solution
The fourth proportional to 26,657.19, 36,775.26 and 15,324.08 is: 21,140.52
Step by Step Solution
- Step 1: Write the proportion equation
26,657.19 : 36,775.26 = 15,324.08 : x - Step 2: Convert to fraction form
26,657.19/36,775.26 = 15,324.08/x - Step 3: Cross multiply
26,657.19x = 36,775.26 × 15,324.08 - Step 4: Simplify right side
26,657.19x = 563,546,842.38 - Step 5: Solve for x
x = 563,546,842.38/26,657.19 - Step 6: Final answer
x = 21,140.52
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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.