Home / 20,154.06-30,279.92-17,792.10

Finding the Fourth Proportional to 20,154.06, 30,279.92 and 17,792.10

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Solution

The fourth proportional to 20,154.06, 30,279.92 and 17,792.10 is: 26,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.06 : 30,279.92 = 17,792.10 : x
  2. Step 2: Convert to fraction form
    20,154.06/30,279.92 = 17,792.10/x
  3. Step 3: Cross multiply
    20,154.06x = 30,279.92 × 17,792.10
  4. Step 4: Simplify right side
    20,154.06x = 538,743,275.67
  5. Step 5: Solve for x
    x = 538,743,275.67/20,154.06
  6. Step 6: Final answer
    x = 26,731.25

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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.