Home / 27,982.80-41,965.38-9,258.57

Finding the Fourth Proportional to 27,982.80, 41,965.38 and 9,258.57

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Solution

The fourth proportional to 27,982.80, 41,965.38 and 9,258.57 is: 13,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.80 : 41,965.38 = 9,258.57 : x
  2. Step 2: Convert to fraction form
    27,982.80/41,965.38 = 9,258.57/x
  3. Step 3: Cross multiply
    27,982.80x = 41,965.38 × 9,258.57
  4. Step 4: Simplify right side
    27,982.80x = 388,539,408.31
  5. Step 5: Solve for x
    x = 388,539,408.31/27,982.80
  6. Step 6: Final answer
    x = 13,884.94

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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.