Home / 26,805.87-37,004.31-18,321.73

Finding the Fourth Proportional to 26,805.87, 37,004.31 and 18,321.73

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Solution

The fourth proportional to 26,805.87, 37,004.31 and 18,321.73 is: 25,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.87 : 37,004.31 = 18,321.73 : x
  2. Step 2: Convert to fraction form
    26,805.87/37,004.31 = 18,321.73/x
  3. Step 3: Cross multiply
    26,805.87x = 37,004.31 × 18,321.73
  4. Step 4: Simplify right side
    26,805.87x = 677,982,884.15
  5. Step 5: Solve for x
    x = 677,982,884.15/26,805.87
  6. Step 6: Final answer
    x = 25,292.33

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1.5x scale

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.