Home / 27,996.78-41,985.09-9,273.36

Finding the Fourth Proportional to 27,996.78, 41,985.09 and 9,273.36

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Solution

The fourth proportional to 27,996.78, 41,985.09 and 9,273.36 is: 13,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.78 : 41,985.09 = 9,273.36 : x
  2. Step 2: Convert to fraction form
    27,996.78/41,985.09 = 9,273.36/x
  3. Step 3: Cross multiply
    27,996.78x = 41,985.09 × 9,273.36
  4. Step 4: Simplify right side
    27,996.78x = 389,342,854.20
  5. Step 5: Solve for x
    x = 389,342,854.20/27,996.78
  6. Step 6: Final answer
    x = 13,906.70

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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.