Home / 21,057.24-29,059-11,625.88

Finding the Fourth Proportional to 21,057.24, 29,059 and 11,625.88

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Solution

The fourth proportional to 21,057.24, 29,059 and 11,625.88 is: 16,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.24 : 29,059 = 11,625.88 : x
  2. Step 2: Convert to fraction form
    21,057.24/29,059 = 11,625.88/x
  3. Step 3: Cross multiply
    21,057.24x = 29,059 × 11,625.88
  4. Step 4: Simplify right side
    21,057.24x = 337,836,446.92
  5. Step 5: Solve for x
    x = 337,836,446.92/21,057.24
  6. Step 6: Final answer
    x = 16,043.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.