Home / 38,318.01-57,472.15-28,471.65

Finding the Fourth Proportional to 38,318.01, 57,472.15 and 28,471.65

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Solution

The fourth proportional to 38,318.01, 57,472.15 and 28,471.65 is: 42,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.01 : 57,472.15 = 28,471.65 : x
  2. Step 2: Convert to fraction form
    38,318.01/57,472.15 = 28,471.65/x
  3. Step 3: Cross multiply
    38,318.01x = 57,472.15 × 28,471.65
  4. Step 4: Simplify right side
    38,318.01x = 1,636,326,939.55
  5. Step 5: Solve for x
    x = 1,636,326,939.55/38,318.01
  6. Step 6: Final answer
    x = 42,703.86

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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.