Home / 27,991.58-41,979.57-9,273.08

Finding the Fourth Proportional to 27,991.58, 41,979.57 and 9,273.08

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Solution

The fourth proportional to 27,991.58, 41,979.57 and 9,273.08 is: 13,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.58 : 41,979.57 = 9,273.08 : x
  2. Step 2: Convert to fraction form
    27,991.58/41,979.57 = 9,273.08/x
  3. Step 3: Cross multiply
    27,991.58x = 41,979.57 × 9,273.08
  4. Step 4: Simplify right side
    27,991.58x = 389,279,910.98
  5. Step 5: Solve for x
    x = 389,279,910.98/27,991.58
  6. Step 6: Final answer
    x = 13,907.04

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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.