Home / 27,400.22-41,097.11-7,680.36

Finding the Fourth Proportional to 27,400.22, 41,097.11 and 7,680.36

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Solution

The fourth proportional to 27,400.22, 41,097.11 and 7,680.36 is: 11,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.22 : 41,097.11 = 7,680.36 : x
  2. Step 2: Convert to fraction form
    27,400.22/41,097.11 = 7,680.36/x
  3. Step 3: Cross multiply
    27,400.22x = 41,097.11 × 7,680.36
  4. Step 4: Simplify right side
    27,400.22x = 315,640,561.36
  5. Step 5: Solve for x
    x = 315,640,561.36/27,400.22
  6. Step 6: Final answer
    x = 11,519.64

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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.