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Finding the Fourth Proportional to 24,138.80, 33,291.81 and 16,992.39

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Solution

The fourth proportional to 24,138.80, 33,291.81 and 16,992.39 is: 23,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.80 : 33,291.81 = 16,992.39 : x
  2. Step 2: Convert to fraction form
    24,138.80/33,291.81 = 16,992.39/x
  3. Step 3: Cross multiply
    24,138.80x = 33,291.81 × 16,992.39
  4. Step 4: Simplify right side
    24,138.80x = 565,707,419.33
  5. Step 5: Solve for x
    x = 565,707,419.33/24,138.80
  6. Step 6: Final answer
    x = 23,435.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.