Home / 27,756.76-41,633.32-11,961.16

Finding the Fourth Proportional to 27,756.76, 41,633.32 and 11,961.16

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Solution

The fourth proportional to 27,756.76, 41,633.32 and 11,961.16 is: 17,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.76 : 41,633.32 = 11,961.16 : x
  2. Step 2: Convert to fraction form
    27,756.76/41,633.32 = 11,961.16/x
  3. Step 3: Cross multiply
    27,756.76x = 41,633.32 × 11,961.16
  4. Step 4: Simplify right side
    27,756.76x = 497,982,801.85
  5. Step 5: Solve for x
    x = 497,982,801.85/27,756.76
  6. Step 6: Final answer
    x = 17,940.96

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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.