Home / 22,622.88-33,959.15-17,972.78

Finding the Fourth Proportional to 22,622.88, 33,959.15 and 17,972.78

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Solution

The fourth proportional to 22,622.88, 33,959.15 and 17,972.78 is: 26,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.88 : 33,959.15 = 17,972.78 : x
  2. Step 2: Convert to fraction form
    22,622.88/33,959.15 = 17,972.78/x
  3. Step 3: Cross multiply
    22,622.88x = 33,959.15 × 17,972.78
  4. Step 4: Simplify right side
    22,622.88x = 610,340,139.68
  5. Step 5: Solve for x
    x = 610,340,139.68/22,622.88
  6. Step 6: Final answer
    x = 26,978.88

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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.