Home / 27,319.69-40,986.83-9,791.29

Finding the Fourth Proportional to 27,319.69, 40,986.83 and 9,791.29

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Solution

The fourth proportional to 27,319.69, 40,986.83 and 9,791.29 is: 14,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.69 : 40,986.83 = 9,791.29 : x
  2. Step 2: Convert to fraction form
    27,319.69/40,986.83 = 9,791.29/x
  3. Step 3: Cross multiply
    27,319.69x = 40,986.83 × 9,791.29
  4. Step 4: Simplify right side
    27,319.69x = 401,313,938.71
  5. Step 5: Solve for x
    x = 401,313,938.71/27,319.69
  6. Step 6: Final answer
    x = 14,689.55

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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.