Home / 26,679.59-40,021.38-7,958.15

Finding the Fourth Proportional to 26,679.59, 40,021.38 and 7,958.15

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Solution

The fourth proportional to 26,679.59, 40,021.38 and 7,958.15 is: 11,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.59 : 40,021.38 = 7,958.15 : x
  2. Step 2: Convert to fraction form
    26,679.59/40,021.38 = 7,958.15/x
  3. Step 3: Cross multiply
    26,679.59x = 40,021.38 × 7,958.15
  4. Step 4: Simplify right side
    26,679.59x = 318,496,145.25
  5. Step 5: Solve for x
    x = 318,496,145.25/26,679.59
  6. Step 6: Final answer
    x = 11,937.82

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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.