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Finding the Fourth Proportional to 24,363.76, 33,621.84 and 13,753.12

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Solution

The fourth proportional to 24,363.76, 33,621.84 and 13,753.12 is: 18,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,363.76 : 33,621.84 = 13,753.12 : x
  2. Step 2: Convert to fraction form
    24,363.76/33,621.84 = 13,753.12/x
  3. Step 3: Cross multiply
    24,363.76x = 33,621.84 × 13,753.12
  4. Step 4: Simplify right side
    24,363.76x = 462,405,200.14
  5. Step 5: Solve for x
    x = 462,405,200.14/24,363.76
  6. Step 6: Final answer
    x = 18,979.22

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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.