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Finding the Fourth Proportional to 24,602.80, 33,951.36 and 13,424.80

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Solution

The fourth proportional to 24,602.80, 33,951.36 and 13,424.80 is: 18,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,602.80 : 33,951.36 = 13,424.80 : x
  2. Step 2: Convert to fraction form
    24,602.80/33,951.36 = 13,424.80/x
  3. Step 3: Cross multiply
    24,602.80x = 33,951.36 × 13,424.80
  4. Step 4: Simplify right side
    24,602.80x = 455,790,217.73
  5. Step 5: Solve for x
    x = 455,790,217.73/24,602.80
  6. Step 6: Final answer
    x = 18,525.95

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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.