Home / 38,687.18-53,411.60-25,280.87

Finding the Fourth Proportional to 38,687.18, 53,411.60 and 25,280.87

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Solution

The fourth proportional to 38,687.18, 53,411.60 and 25,280.87 is: 34,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.18 : 53,411.60 = 25,280.87 : x
  2. Step 2: Convert to fraction form
    38,687.18/53,411.60 = 25,280.87/x
  3. Step 3: Cross multiply
    38,687.18x = 53,411.60 × 25,280.87
  4. Step 4: Simplify right side
    38,687.18x = 1,350,291,589.69
  5. Step 5: Solve for x
    x = 1,350,291,589.69/38,687.18
  6. Step 6: Final answer
    x = 34,902.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.