Home / 18,954.68-28,375.85-14,046.35

Finding the Fourth Proportional to 18,954.68, 28,375.85 and 14,046.35

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Solution

The fourth proportional to 18,954.68, 28,375.85 and 14,046.35 is: 21,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.68 : 28,375.85 = 14,046.35 : x
  2. Step 2: Convert to fraction form
    18,954.68/28,375.85 = 14,046.35/x
  3. Step 3: Cross multiply
    18,954.68x = 28,375.85 × 14,046.35
  4. Step 4: Simplify right side
    18,954.68x = 398,577,013.88
  5. Step 5: Solve for x
    x = 398,577,013.88/18,954.68
  6. Step 6: Final answer
    x = 21,027.90

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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.