Home / 22,140.72-33,204.60-8,286.48

Finding the Fourth Proportional to 22,140.72, 33,204.60 and 8,286.48

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Solution

The fourth proportional to 22,140.72, 33,204.60 and 8,286.48 is: 12,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.72 : 33,204.60 = 8,286.48 : x
  2. Step 2: Convert to fraction form
    22,140.72/33,204.60 = 8,286.48/x
  3. Step 3: Cross multiply
    22,140.72x = 33,204.60 × 8,286.48
  4. Step 4: Simplify right side
    22,140.72x = 275,149,253.81
  5. Step 5: Solve for x
    x = 275,149,253.81/22,140.72
  6. Step 6: Final answer
    x = 12,427.29

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