Home / 21,292.17-31,882.85-11,383.00

Finding the Fourth Proportional to 21,292.17, 31,882.85 and 11,383.00

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Solution

The fourth proportional to 21,292.17, 31,882.85 and 11,383.00 is: 17,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.17 : 31,882.85 = 11,383.00 : x
  2. Step 2: Convert to fraction form
    21,292.17/31,882.85 = 11,383.00/x
  3. Step 3: Cross multiply
    21,292.17x = 31,882.85 × 11,383.00
  4. Step 4: Simplify right side
    21,292.17x = 362,922,387.61
  5. Step 5: Solve for x
    x = 362,922,387.61/21,292.17
  6. Step 6: Final answer
    x = 17,044.88

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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.