Home / 21,447.20-32,101.68-11,044.64

Finding the Fourth Proportional to 21,447.20, 32,101.68 and 11,044.64

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Solution

The fourth proportional to 21,447.20, 32,101.68 and 11,044.64 is: 16,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.20 : 32,101.68 = 11,044.64 : x
  2. Step 2: Convert to fraction form
    21,447.20/32,101.68 = 11,044.64/x
  3. Step 3: Cross multiply
    21,447.20x = 32,101.68 × 11,044.64
  4. Step 4: Simplify right side
    21,447.20x = 354,551,499.00
  5. Step 5: Solve for x
    x = 354,551,499.00/21,447.20
  6. Step 6: Final answer
    x = 16,531.37

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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.