Home / 26,229.72-39,361-10,647.36

Finding the Fourth Proportional to 26,229.72, 39,361 and 10,647.36

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Solution

The fourth proportional to 26,229.72, 39,361 and 10,647.36 is: 15,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.72 : 39,361 = 10,647.36 : x
  2. Step 2: Convert to fraction form
    26,229.72/39,361 = 10,647.36/x
  3. Step 3: Cross multiply
    26,229.72x = 39,361 × 10,647.36
  4. Step 4: Simplify right side
    26,229.72x = 419,090,736.96
  5. Step 5: Solve for x
    x = 419,090,736.96/26,229.72
  6. Step 6: Final answer
    x = 15,977.71

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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.