Home / 27,172.62-40,759.06-12,371.18

Finding the Fourth Proportional to 27,172.62, 40,759.06 and 12,371.18

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Solution

The fourth proportional to 27,172.62, 40,759.06 and 12,371.18 is: 18,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.62 : 40,759.06 = 12,371.18 : x
  2. Step 2: Convert to fraction form
    27,172.62/40,759.06 = 12,371.18/x
  3. Step 3: Cross multiply
    27,172.62x = 40,759.06 × 12,371.18
  4. Step 4: Simplify right side
    27,172.62x = 504,237,667.89
  5. Step 5: Solve for x
    x = 504,237,667.89/27,172.62
  6. Step 6: Final answer
    x = 18,556.83

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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.