Home / 27,833.22-38,411.28-15,897.87

Finding the Fourth Proportional to 27,833.22, 38,411.28 and 15,897.87

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Solution

The fourth proportional to 27,833.22, 38,411.28 and 15,897.87 is: 21,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.22 : 38,411.28 = 15,897.87 : x
  2. Step 2: Convert to fraction form
    27,833.22/38,411.28 = 15,897.87/x
  3. Step 3: Cross multiply
    27,833.22x = 38,411.28 × 15,897.87
  4. Step 4: Simplify right side
    27,833.22x = 610,657,535.97
  5. Step 5: Solve for x
    x = 610,657,535.97/27,833.22
  6. Step 6: Final answer
    x = 21,939.88

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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.