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Finding the Fourth Proportional to 21,874.44, 32,811.84 and 9,383.96

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Solution

The fourth proportional to 21,874.44, 32,811.84 and 9,383.96 is: 14,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874.44 : 32,811.84 = 9,383.96 : x
  2. Step 2: Convert to fraction form
    21,874.44/32,811.84 = 9,383.96/x
  3. Step 3: Cross multiply
    21,874.44x = 32,811.84 × 9,383.96
  4. Step 4: Simplify right side
    21,874.44x = 307,904,994.09
  5. Step 5: Solve for x
    x = 307,904,994.09/21,874.44
  6. Step 6: Final answer
    x = 14,076.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.