Home / 57,430.38-86,147.18-15,877.38

Finding the Fourth Proportional to 57,430.38, 86,147.18 and 15,877.38

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Solution

The fourth proportional to 57,430.38, 86,147.18 and 15,877.38 is: 23,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.38 : 86,147.18 = 15,877.38 : x
  2. Step 2: Convert to fraction form
    57,430.38/86,147.18 = 15,877.38/x
  3. Step 3: Cross multiply
    57,430.38x = 86,147.18 × 15,877.38
  4. Step 4: Simplify right side
    57,430.38x = 1,367,791,512.79
  5. Step 5: Solve for x
    x = 1,367,791,512.79/57,430.38
  6. Step 6: Final answer
    x = 23,816.52

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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.