Home / 27,168.48-40,749.26-10,517.11

Finding the Fourth Proportional to 27,168.48, 40,749.26 and 10,517.11

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Solution

The fourth proportional to 27,168.48, 40,749.26 and 10,517.11 is: 15,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.48 : 40,749.26 = 10,517.11 : x
  2. Step 2: Convert to fraction form
    27,168.48/40,749.26 = 10,517.11/x
  3. Step 3: Cross multiply
    27,168.48x = 40,749.26 × 10,517.11
  4. Step 4: Simplify right side
    27,168.48x = 428,564,295.38
  5. Step 5: Solve for x
    x = 428,564,295.38/27,168.48
  6. Step 6: Final answer
    x = 15,774.32

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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.