Home / 26,679.45-40,021.20-7,958.02

Finding the Fourth Proportional to 26,679.45, 40,021.20 and 7,958.02

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Solution

The fourth proportional to 26,679.45, 40,021.20 and 7,958.02 is: 11,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.45 : 40,021.20 = 7,958.02 : x
  2. Step 2: Convert to fraction form
    26,679.45/40,021.20 = 7,958.02/x
  3. Step 3: Cross multiply
    26,679.45x = 40,021.20 × 7,958.02
  4. Step 4: Simplify right side
    26,679.45x = 318,489,510.02
  5. Step 5: Solve for x
    x = 318,489,510.02/26,679.45
  6. Step 6: Final answer
    x = 11,937.63

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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.