Home / 20,524.39-30,787.89-8,675.96

Finding the Fourth Proportional to 20,524.39, 30,787.89 and 8,675.96

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Solution

The fourth proportional to 20,524.39, 30,787.89 and 8,675.96 is: 13,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.39 : 30,787.89 = 8,675.96 : x
  2. Step 2: Convert to fraction form
    20,524.39/30,787.89 = 8,675.96/x
  3. Step 3: Cross multiply
    20,524.39x = 30,787.89 × 8,675.96
  4. Step 4: Simplify right side
    20,524.39x = 267,114,398.04
  5. Step 5: Solve for x
    x = 267,114,398.04/20,524.39
  6. Step 6: Final answer
    x = 13,014.48

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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.