Home / 28,195.11-42,321.53-22,023.52

Finding the Fourth Proportional to 28,195.11, 42,321.53 and 22,023.52

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Solution

The fourth proportional to 28,195.11, 42,321.53 and 22,023.52 is: 33,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.11 : 42,321.53 = 22,023.52 : x
  2. Step 2: Convert to fraction form
    28,195.11/42,321.53 = 22,023.52/x
  3. Step 3: Cross multiply
    28,195.11x = 42,321.53 × 22,023.52
  4. Step 4: Simplify right side
    28,195.11x = 932,069,011.64
  5. Step 5: Solve for x
    x = 932,069,011.64/28,195.11
  6. Step 6: Final answer
    x = 33,057.82

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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.