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Finding the Fourth Proportional to 24,481.76, 33,784.88 and 13,303.76

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Solution

The fourth proportional to 24,481.76, 33,784.88 and 13,303.76 is: 18,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,481.76 : 33,784.88 = 13,303.76 : x
  2. Step 2: Convert to fraction form
    24,481.76/33,784.88 = 13,303.76/x
  3. Step 3: Cross multiply
    24,481.76x = 33,784.88 × 13,303.76
  4. Step 4: Simplify right side
    24,481.76x = 449,465,935.15
  5. Step 5: Solve for x
    x = 449,465,935.15/24,481.76
  6. Step 6: Final answer
    x = 18,359.22

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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.