Home / 26,679.10-40,024.37-7,960.61

Finding the Fourth Proportional to 26,679.10, 40,024.37 and 7,960.61

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Solution

The fourth proportional to 26,679.10, 40,024.37 and 7,960.61 is: 11,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.10 : 40,024.37 = 7,960.61 : x
  2. Step 2: Convert to fraction form
    26,679.10/40,024.37 = 7,960.61/x
  3. Step 3: Cross multiply
    26,679.10x = 40,024.37 × 7,960.61
  4. Step 4: Simplify right side
    26,679.10x = 318,618,199.94
  5. Step 5: Solve for x
    x = 318,618,199.94/26,679.10
  6. Step 6: Final answer
    x = 11,942.61

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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.