Home / 27,086.50-37,380.09-15,151.87

Finding the Fourth Proportional to 27,086.50, 37,380.09 and 15,151.87

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Solution

The fourth proportional to 27,086.50, 37,380.09 and 15,151.87 is: 20,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.50 : 37,380.09 = 15,151.87 : x
  2. Step 2: Convert to fraction form
    27,086.50/37,380.09 = 15,151.87/x
  3. Step 3: Cross multiply
    27,086.50x = 37,380.09 × 15,151.87
  4. Step 4: Simplify right side
    27,086.50x = 566,378,264.27
  5. Step 5: Solve for x
    x = 566,378,264.27/27,086.50
  6. Step 6: Final answer
    x = 20,909.98

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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.