Home / 21,523.70-32,272.58-8,372.54

Finding the Fourth Proportional to 21,523.70, 32,272.58 and 8,372.54

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Solution

The fourth proportional to 21,523.70, 32,272.58 and 8,372.54 is: 12,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.70 : 32,272.58 = 8,372.54 : x
  2. Step 2: Convert to fraction form
    21,523.70/32,272.58 = 8,372.54/x
  3. Step 3: Cross multiply
    21,523.70x = 32,272.58 × 8,372.54
  4. Step 4: Simplify right side
    21,523.70x = 270,203,466.95
  5. Step 5: Solve for x
    x = 270,203,466.95/21,523.70
  6. Step 6: Final answer
    x = 12,553.76

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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.