Home / 22,999.20-34,498.80-18,843.90

Finding the Fourth Proportional to 22,999.20, 34,498.80 and 18,843.90

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Solution

The fourth proportional to 22,999.20, 34,498.80 and 18,843.90 is: 28,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.20 : 34,498.80 = 18,843.90 : x
  2. Step 2: Convert to fraction form
    22,999.20/34,498.80 = 18,843.90/x
  3. Step 3: Cross multiply
    22,999.20x = 34,498.80 × 18,843.90
  4. Step 4: Simplify right side
    22,999.20x = 650,091,937.32
  5. Step 5: Solve for x
    x = 650,091,937.32/22,999.20
  6. Step 6: Final answer
    x = 28,265.85

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1.5x scale

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.