Home / 27,490.38-37,936.72-14,915.13

Finding the Fourth Proportional to 27,490.38, 37,936.72 and 14,915.13

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Solution

The fourth proportional to 27,490.38, 37,936.72 and 14,915.13 is: 20,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.38 : 37,936.72 = 14,915.13 : x
  2. Step 2: Convert to fraction form
    27,490.38/37,936.72 = 14,915.13/x
  3. Step 3: Cross multiply
    27,490.38x = 37,936.72 × 14,915.13
  4. Step 4: Simplify right side
    27,490.38x = 565,831,110.57
  5. Step 5: Solve for x
    x = 565,831,110.57/27,490.38
  6. Step 6: Final answer
    x = 20,582.88

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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.