Home / 27,378.53-41,072.86-8,663.27

Finding the Fourth Proportional to 27,378.53, 41,072.86 and 8,663.27

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Solution

The fourth proportional to 27,378.53, 41,072.86 and 8,663.27 is: 12,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.53 : 41,072.86 = 8,663.27 : x
  2. Step 2: Convert to fraction form
    27,378.53/41,072.86 = 8,663.27/x
  3. Step 3: Cross multiply
    27,378.53x = 41,072.86 × 8,663.27
  4. Step 4: Simplify right side
    27,378.53x = 355,825,356.88
  5. Step 5: Solve for x
    x = 355,825,356.88/27,378.53
  6. Step 6: Final answer
    x = 12,996.51

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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.