Home / 25,947.78-38,933.20-12,614.82

Finding the Fourth Proportional to 25,947.78, 38,933.20 and 12,614.82

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Solution

The fourth proportional to 25,947.78, 38,933.20 and 12,614.82 is: 18,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.78 : 38,933.20 = 12,614.82 : x
  2. Step 2: Convert to fraction form
    25,947.78/38,933.20 = 12,614.82/x
  3. Step 3: Cross multiply
    25,947.78x = 38,933.20 × 12,614.82
  4. Step 4: Simplify right side
    25,947.78x = 491,135,310.02
  5. Step 5: Solve for x
    x = 491,135,310.02/25,947.78
  6. Step 6: Final answer
    x = 18,927.84

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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.