Home / 57,426.33-86,135.85-17,982.57

Finding the Fourth Proportional to 57,426.33, 86,135.85 and 17,982.57

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Solution

The fourth proportional to 57,426.33, 86,135.85 and 17,982.57 is: 26,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.33 : 86,135.85 = 17,982.57 : x
  2. Step 2: Convert to fraction form
    57,426.33/86,135.85 = 17,982.57/x
  3. Step 3: Cross multiply
    57,426.33x = 86,135.85 × 17,982.57
  4. Step 4: Simplify right side
    57,426.33x = 1,548,943,952.13
  5. Step 5: Solve for x
    x = 1,548,943,952.13/57,426.33
  6. Step 6: Final answer
    x = 26,972.71

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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.