Home / 38,227.38-57,340.53-18,507.66

Finding the Fourth Proportional to 38,227.38, 57,340.53 and 18,507.66

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Solution

The fourth proportional to 38,227.38, 57,340.53 and 18,507.66 is: 27,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,227.38 : 57,340.53 = 18,507.66 : x
  2. Step 2: Convert to fraction form
    38,227.38/57,340.53 = 18,507.66/x
  3. Step 3: Cross multiply
    38,227.38x = 57,340.53 × 18,507.66
  4. Step 4: Simplify right side
    38,227.38x = 1,061,239,033.46
  5. Step 5: Solve for x
    x = 1,061,239,033.46/38,227.38
  6. Step 6: Final answer
    x = 27,761.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.