Finding the Fourth Proportional to 23,712.91, 32,708.88 and 15,206.09
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Solution
The fourth proportional to 23,712.91, 32,708.88 and 15,206.09 is: 20,974.82
Step by Step Solution
- Step 1: Write the proportion equation
23,712.91 : 32,708.88 = 15,206.09 : x - Step 2: Convert to fraction form
23,712.91/32,708.88 = 15,206.09/x - Step 3: Cross multiply
23,712.91x = 32,708.88 × 15,206.09 - Step 4: Simplify right side
23,712.91x = 497,374,009.53 - Step 5: Solve for x
x = 497,374,009.53/23,712.91 - Step 6: Final answer
x = 20,974.82
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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.