Home / 26,679.61-40,021.68-7,958.44

Finding the Fourth Proportional to 26,679.61, 40,021.68 and 7,958.44

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Solution

The fourth proportional to 26,679.61, 40,021.68 and 7,958.44 is: 11,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.61 : 40,021.68 = 7,958.44 : x
  2. Step 2: Convert to fraction form
    26,679.61/40,021.68 = 7,958.44/x
  3. Step 3: Cross multiply
    26,679.61x = 40,021.68 × 7,958.44
  4. Step 4: Simplify right side
    26,679.61x = 318,509,938.87
  5. Step 5: Solve for x
    x = 318,509,938.87/26,679.61
  6. Step 6: Final answer
    x = 11,938.33

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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.