Home / 26,958.20-40,437.30-17,108.60

Finding the Fourth Proportional to 26,958.20, 40,437.30 and 17,108.60

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Solution

The fourth proportional to 26,958.20, 40,437.30 and 17,108.60 is: 25,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958.20 : 40,437.30 = 17,108.60 : x
  2. Step 2: Convert to fraction form
    26,958.20/40,437.30 = 17,108.60/x
  3. Step 3: Cross multiply
    26,958.20x = 40,437.30 × 17,108.60
  4. Step 4: Simplify right side
    26,958.20x = 691,825,590.78
  5. Step 5: Solve for x
    x = 691,825,590.78/26,958.20
  6. Step 6: Final answer
    x = 25,662.90

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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.