Home / 27,349.59-37,739.61-15,414.78

Finding the Fourth Proportional to 27,349.59, 37,739.61 and 15,414.78

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Solution

The fourth proportional to 27,349.59, 37,739.61 and 15,414.78 is: 21,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,349.59 : 37,739.61 = 15,414.78 : x
  2. Step 2: Convert to fraction form
    27,349.59/37,739.61 = 15,414.78/x
  3. Step 3: Cross multiply
    27,349.59x = 37,739.61 × 15,414.78
  4. Step 4: Simplify right side
    27,349.59x = 581,747,785.44
  5. Step 5: Solve for x
    x = 581,747,785.44/27,349.59
  6. Step 6: Final answer
    x = 21,270.80

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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.