Home / 21,372.94-32,046.56-8,877.88

Finding the Fourth Proportional to 21,372.94, 32,046.56 and 8,877.88

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Solution

The fourth proportional to 21,372.94, 32,046.56 and 8,877.88 is: 13,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.94 : 32,046.56 = 8,877.88 : x
  2. Step 2: Convert to fraction form
    21,372.94/32,046.56 = 8,877.88/x
  3. Step 3: Cross multiply
    21,372.94x = 32,046.56 × 8,877.88
  4. Step 4: Simplify right side
    21,372.94x = 284,505,514.09
  5. Step 5: Solve for x
    x = 284,505,514.09/21,372.94
  6. Step 6: Final answer
    x = 13,311.48

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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.