Home / 27,427.78-41,141.69-6,651.28

Finding the Fourth Proportional to 27,427.78, 41,141.69 and 6,651.28

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Solution

The fourth proportional to 27,427.78, 41,141.69 and 6,651.28 is: 9,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.78 : 41,141.69 = 6,651.28 : x
  2. Step 2: Convert to fraction form
    27,427.78/41,141.69 = 6,651.28/x
  3. Step 3: Cross multiply
    27,427.78x = 41,141.69 × 6,651.28
  4. Step 4: Simplify right side
    27,427.78x = 273,644,942.98
  5. Step 5: Solve for x
    x = 273,644,942.98/27,427.78
  6. Step 6: Final answer
    x = 9,976.93

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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.