Home / 26,679.78-40,019.66-6,958.28

Finding the Fourth Proportional to 26,679.78, 40,019.66 and 6,958.28

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Solution

The fourth proportional to 26,679.78, 40,019.66 and 6,958.28 is: 10,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.78 : 40,019.66 = 6,958.28 : x
  2. Step 2: Convert to fraction form
    26,679.78/40,019.66 = 6,958.28/x
  3. Step 3: Cross multiply
    26,679.78x = 40,019.66 × 6,958.28
  4. Step 4: Simplify right side
    26,679.78x = 278,468,065.04
  5. Step 5: Solve for x
    x = 278,468,065.04/26,679.78
  6. Step 6: Final answer
    x = 10,437.42

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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.