Home / 26,791.21-40,183.72-7,071.30

Finding the Fourth Proportional to 26,791.21, 40,183.72 and 7,071.30

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Solution

The fourth proportional to 26,791.21, 40,183.72 and 7,071.30 is: 10,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.21 : 40,183.72 = 7,071.30 : x
  2. Step 2: Convert to fraction form
    26,791.21/40,183.72 = 7,071.30/x
  3. Step 3: Cross multiply
    26,791.21x = 40,183.72 × 7,071.30
  4. Step 4: Simplify right side
    26,791.21x = 284,151,239.70
  5. Step 5: Solve for x
    x = 284,151,239.70/26,791.21
  6. Step 6: Final answer
    x = 10,606.14

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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.