Home / 38,463.38-57,690.40-10,381.29

Finding the Fourth Proportional to 38,463.38, 57,690.40 and 10,381.29

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Solution

The fourth proportional to 38,463.38, 57,690.40 and 10,381.29 is: 15,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,463.38 : 57,690.40 = 10,381.29 : x
  2. Step 2: Convert to fraction form
    38,463.38/57,690.40 = 10,381.29/x
  3. Step 3: Cross multiply
    38,463.38x = 57,690.40 × 10,381.29
  4. Step 4: Simplify right side
    38,463.38x = 598,900,772.62
  5. Step 5: Solve for x
    x = 598,900,772.62/38,463.38
  6. Step 6: Final answer
    x = 15,570.67

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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.