Home / 27,581.73-41,379.09-7,860.57

Finding the Fourth Proportional to 27,581.73, 41,379.09 and 7,860.57

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Solution

The fourth proportional to 27,581.73, 41,379.09 and 7,860.57 is: 11,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.73 : 41,379.09 = 7,860.57 : x
  2. Step 2: Convert to fraction form
    27,581.73/41,379.09 = 7,860.57/x
  3. Step 3: Cross multiply
    27,581.73x = 41,379.09 × 7,860.57
  4. Step 4: Simplify right side
    27,581.73x = 325,263,233.48
  5. Step 5: Solve for x
    x = 325,263,233.48/27,581.73
  6. Step 6: Final answer
    x = 11,792.71

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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.