Home / 27,815.49-41,695.29-11,172.42

Finding the Fourth Proportional to 27,815.49, 41,695.29 and 11,172.42

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Solution

The fourth proportional to 27,815.49, 41,695.29 and 11,172.42 is: 16,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.49 : 41,695.29 = 11,172.42 : x
  2. Step 2: Convert to fraction form
    27,815.49/41,695.29 = 11,172.42/x
  3. Step 3: Cross multiply
    27,815.49x = 41,695.29 × 11,172.42
  4. Step 4: Simplify right side
    27,815.49x = 465,837,291.90
  5. Step 5: Solve for x
    x = 465,837,291.90/27,815.49
  6. Step 6: Final answer
    x = 16,747.41

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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.