Home / 54,568.92-81,854.39-17,128.15

Finding the Fourth Proportional to 54,568.92, 81,854.39 and 17,128.15

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Solution

The fourth proportional to 54,568.92, 81,854.39 and 17,128.15 is: 25,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568.92 : 81,854.39 = 17,128.15 : x
  2. Step 2: Convert to fraction form
    54,568.92/81,854.39 = 17,128.15/x
  3. Step 3: Cross multiply
    54,568.92x = 81,854.39 × 17,128.15
  4. Step 4: Simplify right side
    54,568.92x = 1,402,014,270.08
  5. Step 5: Solve for x
    x = 1,402,014,270.08/54,568.92
  6. Step 6: Final answer
    x = 25,692.54

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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.