Home / 24,422.80-36,546.60-21,147.12

Finding the Fourth Proportional to 24,422.80, 36,546.60 and 21,147.12

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Solution

The fourth proportional to 24,422.80, 36,546.60 and 21,147.12 is: 31,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,422.80 : 36,546.60 = 21,147.12 : x
  2. Step 2: Convert to fraction form
    24,422.80/36,546.60 = 21,147.12/x
  3. Step 3: Cross multiply
    24,422.80x = 36,546.60 × 21,147.12
  4. Step 4: Simplify right side
    24,422.80x = 772,855,335.79
  5. Step 5: Solve for x
    x = 772,855,335.79/24,422.80
  6. Step 6: Final answer
    x = 31,644.83

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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.