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Finding the Fourth Proportional to 24,597.71, 33,949.89 and 15,643.49

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Solution

The fourth proportional to 24,597.71, 33,949.89 and 15,643.49 is: 21,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,597.71 : 33,949.89 = 15,643.49 : x
  2. Step 2: Convert to fraction form
    24,597.71/33,949.89 = 15,643.49/x
  3. Step 3: Cross multiply
    24,597.71x = 33,949.89 × 15,643.49
  4. Step 4: Simplify right side
    24,597.71x = 531,094,764.72
  5. Step 5: Solve for x
    x = 531,094,764.72/24,597.71
  6. Step 6: Final answer
    x = 21,591.23

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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.