Home / 18,497.10-27,775.35-17,132.70

Finding the Fourth Proportional to 18,497.10, 27,775.35 and 17,132.70

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Solution

The fourth proportional to 18,497.10, 27,775.35 and 17,132.70 is: 25,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.10 : 27,775.35 = 17,132.70 : x
  2. Step 2: Convert to fraction form
    18,497.10/27,775.35 = 17,132.70/x
  3. Step 3: Cross multiply
    18,497.10x = 27,775.35 × 17,132.70
  4. Step 4: Simplify right side
    18,497.10x = 475,866,738.95
  5. Step 5: Solve for x
    x = 475,866,738.95/18,497.10
  6. Step 6: Final answer
    x = 25,726.56

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1.5x scale

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.