Home / 27,179.16-37,500.11-15,691.26

Finding the Fourth Proportional to 27,179.16, 37,500.11 and 15,691.26

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Solution

The fourth proportional to 27,179.16, 37,500.11 and 15,691.26 is: 21,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.16 : 37,500.11 = 15,691.26 : x
  2. Step 2: Convert to fraction form
    27,179.16/37,500.11 = 15,691.26/x
  3. Step 3: Cross multiply
    27,179.16x = 37,500.11 × 15,691.26
  4. Step 4: Simplify right side
    27,179.16x = 588,423,897.58
  5. Step 5: Solve for x
    x = 588,423,897.58/27,179.16
  6. Step 6: Final answer
    x = 21,649.82

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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.