Home / 40,882.76-61,195.64-28,157.83

Finding the Fourth Proportional to 40,882.76, 61,195.64 and 28,157.83

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Solution

The fourth proportional to 40,882.76, 61,195.64 and 28,157.83 is: 42,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.76 : 61,195.64 = 28,157.83 : x
  2. Step 2: Convert to fraction form
    40,882.76/61,195.64 = 28,157.83/x
  3. Step 3: Cross multiply
    40,882.76x = 61,195.64 × 28,157.83
  4. Step 4: Simplify right side
    40,882.76x = 1,723,136,134.08
  5. Step 5: Solve for x
    x = 1,723,136,134.08/40,882.76
  6. Step 6: Final answer
    x = 42,148.24

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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.