Home / 21,389.60-32,067.92-13,073.52

Finding the Fourth Proportional to 21,389.60, 32,067.92 and 13,073.52

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Solution

The fourth proportional to 21,389.60, 32,067.92 and 13,073.52 is: 19,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.60 : 32,067.92 = 13,073.52 : x
  2. Step 2: Convert to fraction form
    21,389.60/32,067.92 = 13,073.52/x
  3. Step 3: Cross multiply
    21,389.60x = 32,067.92 × 13,073.52
  4. Step 4: Simplify right side
    21,389.60x = 419,240,593.48
  5. Step 5: Solve for x
    x = 419,240,593.48/21,389.60
  6. Step 6: Final answer
    x = 19,600.21

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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.