Home / 27,911.80-41,871.33-9,193.75

Finding the Fourth Proportional to 27,911.80, 41,871.33 and 9,193.75

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Solution

The fourth proportional to 27,911.80, 41,871.33 and 9,193.75 is: 13,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.80 : 41,871.33 = 9,193.75 : x
  2. Step 2: Convert to fraction form
    27,911.80/41,871.33 = 9,193.75/x
  3. Step 3: Cross multiply
    27,911.80x = 41,871.33 × 9,193.75
  4. Step 4: Simplify right side
    27,911.80x = 384,954,540.19
  5. Step 5: Solve for x
    x = 384,954,540.19/27,911.80
  6. Step 6: Final answer
    x = 13,791.82

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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.