Home / 27,490.97-37,938.27-14,915.72

Finding the Fourth Proportional to 27,490.97, 37,938.27 and 14,915.72

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Solution

The fourth proportional to 27,490.97, 37,938.27 and 14,915.72 is: 20,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.97 : 37,938.27 = 14,915.72 : x
  2. Step 2: Convert to fraction form
    27,490.97/37,938.27 = 14,915.72/x
  3. Step 3: Cross multiply
    27,490.97x = 37,938.27 × 14,915.72
  4. Step 4: Simplify right side
    27,490.97x = 565,876,422.91
  5. Step 5: Solve for x
    x = 565,876,422.91/27,490.97
  6. Step 6: Final answer
    x = 20,584.09

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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.