Home / 38,438.38-57,615.45-15,039.10

Finding the Fourth Proportional to 38,438.38, 57,615.45 and 15,039.10

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Solution

The fourth proportional to 38,438.38, 57,615.45 and 15,039.10 is: 22,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.38 : 57,615.45 = 15,039.10 : x
  2. Step 2: Convert to fraction form
    38,438.38/57,615.45 = 15,039.10/x
  3. Step 3: Cross multiply
    38,438.38x = 57,615.45 × 15,039.10
  4. Step 4: Simplify right side
    38,438.38x = 866,484,514.10
  5. Step 5: Solve for x
    x = 866,484,514.10/38,438.38
  6. Step 6: Final answer
    x = 22,542.17

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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.