Home / 38,311.38-57,462.21-28,465.02

Finding the Fourth Proportional to 38,311.38, 57,462.21 and 28,465.02

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Solution

The fourth proportional to 38,311.38, 57,462.21 and 28,465.02 is: 42,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.38 : 57,462.21 = 28,465.02 : x
  2. Step 2: Convert to fraction form
    38,311.38/57,462.21 = 28,465.02/x
  3. Step 3: Cross multiply
    38,311.38x = 57,462.21 × 28,465.02
  4. Step 4: Simplify right side
    38,311.38x = 1,635,662,956.89
  5. Step 5: Solve for x
    x = 1,635,662,956.89/38,311.38
  6. Step 6: Final answer
    x = 42,693.92

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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.