Home / 20,895.27-28,819.34-14,521.73

Finding the Fourth Proportional to 20,895.27, 28,819.34 and 14,521.73

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Solution

The fourth proportional to 20,895.27, 28,819.34 and 14,521.73 is: 20,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.27 : 28,819.34 = 14,521.73 : x
  2. Step 2: Convert to fraction form
    20,895.27/28,819.34 = 14,521.73/x
  3. Step 3: Cross multiply
    20,895.27x = 28,819.34 × 14,521.73
  4. Step 4: Simplify right side
    20,895.27x = 418,506,755.80
  5. Step 5: Solve for x
    x = 418,506,755.80/20,895.27
  6. Step 6: Final answer
    x = 20,028.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.