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Finding the Fourth Proportional to 24,611.88, 33,892.92 and 21,380.22

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Solution

The fourth proportional to 24,611.88, 33,892.92 and 21,380.22 is: 29,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,611.88 : 33,892.92 = 21,380.22 : x
  2. Step 2: Convert to fraction form
    24,611.88/33,892.92 = 21,380.22/x
  3. Step 3: Cross multiply
    24,611.88x = 33,892.92 × 21,380.22
  4. Step 4: Simplify right side
    24,611.88x = 724,637,809.68
  5. Step 5: Solve for x
    x = 724,637,809.68/24,611.88
  6. Step 6: Final answer
    x = 29,442.60

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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.