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Finding the Fourth Proportional to 28,020.22, 41,906.31 and 24,921.88

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Solution

The fourth proportional to 28,020.22, 41,906.31 and 24,921.88 is: 37,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020.22 : 41,906.31 = 24,921.88 : x
  2. Step 2: Convert to fraction form
    28,020.22/41,906.31 = 24,921.88/x
  3. Step 3: Cross multiply
    28,020.22x = 41,906.31 × 24,921.88
  4. Step 4: Simplify right side
    28,020.22x = 1,044,384,029.06
  5. Step 5: Solve for x
    x = 1,044,384,029.06/28,020.22
  6. Step 6: Final answer
    x = 37,272.51

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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.