Home / 26,791.85-40,183.81-7,071.80

Finding the Fourth Proportional to 26,791.85, 40,183.81 and 7,071.80

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Solution

The fourth proportional to 26,791.85, 40,183.81 and 7,071.80 is: 10,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.85 : 40,183.81 = 7,071.80 : x
  2. Step 2: Convert to fraction form
    26,791.85/40,183.81 = 7,071.80/x
  3. Step 3: Cross multiply
    26,791.85x = 40,183.81 × 7,071.80
  4. Step 4: Simplify right side
    26,791.85x = 284,171,648.96
  5. Step 5: Solve for x
    x = 284,171,648.96/26,791.85
  6. Step 6: Final answer
    x = 10,606.64

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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.