Home / 28,378.43-42,553.07-15,241.85

Finding the Fourth Proportional to 28,378.43, 42,553.07 and 15,241.85

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Solution

The fourth proportional to 28,378.43, 42,553.07 and 15,241.85 is: 22,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378.43 : 42,553.07 = 15,241.85 : x
  2. Step 2: Convert to fraction form
    28,378.43/42,553.07 = 15,241.85/x
  3. Step 3: Cross multiply
    28,378.43x = 42,553.07 × 15,241.85
  4. Step 4: Simplify right side
    28,378.43x = 648,587,719.96
  5. Step 5: Solve for x
    x = 648,587,719.96/28,378.43
  6. Step 6: Final answer
    x = 22,854.95

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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.