Home / 21,535.98-32,291.52-8,372.95

Finding the Fourth Proportional to 21,535.98, 32,291.52 and 8,372.95

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Solution

The fourth proportional to 21,535.98, 32,291.52 and 8,372.95 is: 12,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.98 : 32,291.52 = 8,372.95 : x
  2. Step 2: Convert to fraction form
    21,535.98/32,291.52 = 8,372.95/x
  3. Step 3: Cross multiply
    21,535.98x = 32,291.52 × 8,372.95
  4. Step 4: Simplify right side
    21,535.98x = 270,375,282.38
  5. Step 5: Solve for x
    x = 270,375,282.38/21,535.98
  6. Step 6: Final answer
    x = 12,554.58

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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.