Home / 21,382.53-32,042.81-14,712.18

Finding the Fourth Proportional to 21,382.53, 32,042.81 and 14,712.18

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Solution

The fourth proportional to 21,382.53, 32,042.81 and 14,712.18 is: 22,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.53 : 32,042.81 = 14,712.18 : x
  2. Step 2: Convert to fraction form
    21,382.53/32,042.81 = 14,712.18/x
  3. Step 3: Cross multiply
    21,382.53x = 32,042.81 × 14,712.18
  4. Step 4: Simplify right side
    21,382.53x = 471,419,514.86
  5. Step 5: Solve for x
    x = 471,419,514.86/21,382.53
  6. Step 6: Final answer
    x = 22,046.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.