Home / 38,170.38-57,238.85-15,665.62

Finding the Fourth Proportional to 38,170.38, 57,238.85 and 15,665.62

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Solution

The fourth proportional to 38,170.38, 57,238.85 and 15,665.62 is: 23,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,170.38 : 57,238.85 = 15,665.62 : x
  2. Step 2: Convert to fraction form
    38,170.38/57,238.85 = 15,665.62/x
  3. Step 3: Cross multiply
    38,170.38x = 57,238.85 × 15,665.62
  4. Step 4: Simplify right side
    38,170.38x = 896,682,073.34
  5. Step 5: Solve for x
    x = 896,682,073.34/38,170.38
  6. Step 6: Final answer
    x = 23,491.57

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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.