Home / 21,629.94-32,449.24-9,149.92

Finding the Fourth Proportional to 21,629.94, 32,449.24 and 9,149.92

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Solution

The fourth proportional to 21,629.94, 32,449.24 and 9,149.92 is: 13,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.94 : 32,449.24 = 9,149.92 : x
  2. Step 2: Convert to fraction form
    21,629.94/32,449.24 = 9,149.92/x
  3. Step 3: Cross multiply
    21,629.94x = 32,449.24 × 9,149.92
  4. Step 4: Simplify right side
    21,629.94x = 296,907,950.06
  5. Step 5: Solve for x
    x = 296,907,950.06/21,629.94
  6. Step 6: Final answer
    x = 13,726.71

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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.