Home / 20,468.76-28,124.48-16,269.72

Finding the Fourth Proportional to 20,468.76, 28,124.48 and 16,269.72

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Solution

The fourth proportional to 20,468.76, 28,124.48 and 16,269.72 is: 22,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.76 : 28,124.48 = 16,269.72 : x
  2. Step 2: Convert to fraction form
    20,468.76/28,124.48 = 16,269.72/x
  3. Step 3: Cross multiply
    20,468.76x = 28,124.48 × 16,269.72
  4. Step 4: Simplify right side
    20,468.76x = 457,577,414.75
  5. Step 5: Solve for x
    x = 457,577,414.75/20,468.76
  6. Step 6: Final answer
    x = 22,354.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.