Home / 26,979.60-40,426.20-17,101.20

Finding the Fourth Proportional to 26,979.60, 40,426.20 and 17,101.20

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Solution

The fourth proportional to 26,979.60, 40,426.20 and 17,101.20 is: 25,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.60 : 40,426.20 = 17,101.20 : x
  2. Step 2: Convert to fraction form
    26,979.60/40,426.20 = 17,101.20/x
  3. Step 3: Cross multiply
    26,979.60x = 40,426.20 × 17,101.20
  4. Step 4: Simplify right side
    26,979.60x = 691,336,531.44
  5. Step 5: Solve for x
    x = 691,336,531.44/26,979.60
  6. Step 6: Final answer
    x = 25,624.42

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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.