Home / 20,524.40-30,773.76-8,672.04

Finding the Fourth Proportional to 20,524.40, 30,773.76 and 8,672.04

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Solution

The fourth proportional to 20,524.40, 30,773.76 and 8,672.04 is: 13,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.40 : 30,773.76 = 8,672.04 : x
  2. Step 2: Convert to fraction form
    20,524.40/30,773.76 = 8,672.04/x
  3. Step 3: Cross multiply
    20,524.40x = 30,773.76 × 8,672.04
  4. Step 4: Simplify right side
    20,524.40x = 266,871,277.67
  5. Step 5: Solve for x
    x = 266,871,277.67/20,524.40
  6. Step 6: Final answer
    x = 13,002.63

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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.