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Finding the Fourth Proportional to 24,093.20, 36,091.80 and 21,206.80

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Solution

The fourth proportional to 24,093.20, 36,091.80 and 21,206.80 is: 31,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,093.20 : 36,091.80 = 21,206.80 : x
  2. Step 2: Convert to fraction form
    24,093.20/36,091.80 = 21,206.80/x
  3. Step 3: Cross multiply
    24,093.20x = 36,091.80 × 21,206.80
  4. Step 4: Simplify right side
    24,093.20x = 765,391,584.24
  5. Step 5: Solve for x
    x = 765,391,584.24/24,093.20
  6. Step 6: Final answer
    x = 31,767.95

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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.