Home / 27,964.78-41,947.16-19,173.04

Finding the Fourth Proportional to 27,964.78, 41,947.16 and 19,173.04

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Solution

The fourth proportional to 27,964.78, 41,947.16 and 19,173.04 is: 28,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.78 : 41,947.16 = 19,173.04 : x
  2. Step 2: Convert to fraction form
    27,964.78/41,947.16 = 19,173.04/x
  3. Step 3: Cross multiply
    27,964.78x = 41,947.16 × 19,173.04
  4. Step 4: Simplify right side
    27,964.78x = 804,254,375.83
  5. Step 5: Solve for x
    x = 804,254,375.83/27,964.78
  6. Step 6: Final answer
    x = 28,759.55

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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.