Home / 26,977.20-37,223.82-15,647.72

Finding the Fourth Proportional to 26,977.20, 37,223.82 and 15,647.72

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Solution

The fourth proportional to 26,977.20, 37,223.82 and 15,647.72 is: 21,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,977.20 : 37,223.82 = 15,647.72 : x
  2. Step 2: Convert to fraction form
    26,977.20/37,223.82 = 15,647.72/x
  3. Step 3: Cross multiply
    26,977.20x = 37,223.82 × 15,647.72
  4. Step 4: Simplify right side
    26,977.20x = 582,467,912.69
  5. Step 5: Solve for x
    x = 582,467,912.69/26,977.20
  6. Step 6: Final answer
    x = 21,591.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.