Home / 27,186.57-37,517.31-15,249.90

Finding the Fourth Proportional to 27,186.57, 37,517.31 and 15,249.90

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Solution

The fourth proportional to 27,186.57, 37,517.31 and 15,249.90 is: 21,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.57 : 37,517.31 = 15,249.90 : x
  2. Step 2: Convert to fraction form
    27,186.57/37,517.31 = 15,249.90/x
  3. Step 3: Cross multiply
    27,186.57x = 37,517.31 × 15,249.90
  4. Step 4: Simplify right side
    27,186.57x = 572,135,366.46
  5. Step 5: Solve for x
    x = 572,135,366.46/27,186.57
  6. Step 6: Final answer
    x = 21,044.78

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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.