Home / 20,273.16-30,276.62-17,279.70

Finding the Fourth Proportional to 20,273.16, 30,276.62 and 17,279.70

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Solution

The fourth proportional to 20,273.16, 30,276.62 and 17,279.70 is: 25,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.16 : 30,276.62 = 17,279.70 : x
  2. Step 2: Convert to fraction form
    20,273.16/30,276.62 = 17,279.70/x
  3. Step 3: Cross multiply
    20,273.16x = 30,276.62 × 17,279.70
  4. Step 4: Simplify right side
    20,273.16x = 523,170,910.61
  5. Step 5: Solve for x
    x = 523,170,910.61/20,273.16
  6. Step 6: Final answer
    x = 25,806.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.