Home / 38,207.89-57,314.40-10,127.53

Finding the Fourth Proportional to 38,207.89, 57,314.40 and 10,127.53

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Solution

The fourth proportional to 38,207.89, 57,314.40 and 10,127.53 is: 15,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.89 : 57,314.40 = 10,127.53 : x
  2. Step 2: Convert to fraction form
    38,207.89/57,314.40 = 10,127.53/x
  3. Step 3: Cross multiply
    38,207.89x = 57,314.40 × 10,127.53
  4. Step 4: Simplify right side
    38,207.89x = 580,453,305.43
  5. Step 5: Solve for x
    x = 580,453,305.43/38,207.89
  6. Step 6: Final answer
    x = 15,191.97

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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.