Home / 27,766.80-41,620.32-13,707.36

Finding the Fourth Proportional to 27,766.80, 41,620.32 and 13,707.36

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Solution

The fourth proportional to 27,766.80, 41,620.32 and 13,707.36 is: 20,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.80 : 41,620.32 = 13,707.36 : x
  2. Step 2: Convert to fraction form
    27,766.80/41,620.32 = 13,707.36/x
  3. Step 3: Cross multiply
    27,766.80x = 41,620.32 × 13,707.36
  4. Step 4: Simplify right side
    27,766.80x = 570,504,709.56
  5. Step 5: Solve for x
    x = 570,504,709.56/27,766.80
  6. Step 6: Final answer
    x = 20,546.29

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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.