Home / 26,945.73-37,182.27-15,618.78

Finding the Fourth Proportional to 26,945.73, 37,182.27 and 15,618.78

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Solution

The fourth proportional to 26,945.73, 37,182.27 and 15,618.78 is: 21,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.73 : 37,182.27 = 15,618.78 : x
  2. Step 2: Convert to fraction form
    26,945.73/37,182.27 = 15,618.78/x
  3. Step 3: Cross multiply
    26,945.73x = 37,182.27 × 15,618.78
  4. Step 4: Simplify right side
    26,945.73x = 580,741,665.75
  5. Step 5: Solve for x
    x = 580,741,665.75/26,945.73
  6. Step 6: Final answer
    x = 21,552.27

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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.