Home / 26,669.26-40,003.40-7,961.98

Finding the Fourth Proportional to 26,669.26, 40,003.40 and 7,961.98

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Solution

The fourth proportional to 26,669.26, 40,003.40 and 7,961.98 is: 11,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.26 : 40,003.40 = 7,961.98 : x
  2. Step 2: Convert to fraction form
    26,669.26/40,003.40 = 7,961.98/x
  3. Step 3: Cross multiply
    26,669.26x = 40,003.40 × 7,961.98
  4. Step 4: Simplify right side
    26,669.26x = 318,506,230.92
  5. Step 5: Solve for x
    x = 318,506,230.92/26,669.26
  6. Step 6: Final answer
    x = 11,942.82

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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.