Home / 26,679.86-40,022.06-7,958.69

Finding the Fourth Proportional to 26,679.86, 40,022.06 and 7,958.69

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Solution

The fourth proportional to 26,679.86, 40,022.06 and 7,958.69 is: 11,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.86 : 40,022.06 = 7,958.69 : x
  2. Step 2: Convert to fraction form
    26,679.86/40,022.06 = 7,958.69/x
  3. Step 3: Cross multiply
    26,679.86x = 40,022.06 × 7,958.69
  4. Step 4: Simplify right side
    26,679.86x = 318,522,928.80
  5. Step 5: Solve for x
    x = 318,522,928.80/26,679.86
  6. Step 6: Final answer
    x = 11,938.71

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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.