Home / 26,665.81-39,998.22-7,958.54

Finding the Fourth Proportional to 26,665.81, 39,998.22 and 7,958.54

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Solution

The fourth proportional to 26,665.81, 39,998.22 and 7,958.54 is: 11,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.81 : 39,998.22 = 7,958.54 : x
  2. Step 2: Convert to fraction form
    26,665.81/39,998.22 = 7,958.54/x
  3. Step 3: Cross multiply
    26,665.81x = 39,998.22 × 7,958.54
  4. Step 4: Simplify right side
    26,665.81x = 318,327,433.80
  5. Step 5: Solve for x
    x = 318,327,433.80/26,665.81
  6. Step 6: Final answer
    x = 11,937.66

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Double scale
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Similar ratio
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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.