Home / 23,198.12-34,753.44-17,978.48

Finding the Fourth Proportional to 23,198.12, 34,753.44 and 17,978.48

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Solution

The fourth proportional to 23,198.12, 34,753.44 and 17,978.48 is: 26,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,198.12 : 34,753.44 = 17,978.48 : x
  2. Step 2: Convert to fraction form
    23,198.12/34,753.44 = 17,978.48/x
  3. Step 3: Cross multiply
    23,198.12x = 34,753.44 × 17,978.48
  4. Step 4: Simplify right side
    23,198.12x = 624,814,025.97
  5. Step 5: Solve for x
    x = 624,814,025.97/23,198.12
  6. Step 6: Final answer
    x = 26,933.82

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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.