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Finding the Fourth Proportional to 22,138.44, 30,550.86 and 12,066.88

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Solution

The fourth proportional to 22,138.44, 30,550.86 and 12,066.88 is: 16,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.44 : 30,550.86 = 12,066.88 : x
  2. Step 2: Convert to fraction form
    22,138.44/30,550.86 = 12,066.88/x
  3. Step 3: Cross multiply
    22,138.44x = 30,550.86 × 12,066.88
  4. Step 4: Simplify right side
    22,138.44x = 368,653,561.52
  5. Step 5: Solve for x
    x = 368,653,561.52/22,138.44
  6. Step 6: Final answer
    x = 16,652.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.