Home / 27,320.20-40,972.80-17,309.92

Finding the Fourth Proportional to 27,320.20, 40,972.80 and 17,309.92

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Solution

The fourth proportional to 27,320.20, 40,972.80 and 17,309.92 is: 25,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.20 : 40,972.80 = 17,309.92 : x
  2. Step 2: Convert to fraction form
    27,320.20/40,972.80 = 17,309.92/x
  3. Step 3: Cross multiply
    27,320.20x = 40,972.80 × 17,309.92
  4. Step 4: Simplify right side
    27,320.20x = 709,235,890.18
  5. Step 5: Solve for x
    x = 709,235,890.18/27,320.20
  6. Step 6: Final answer
    x = 25,960.13

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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.