Home / 26,940-37,177.20-15,764.16

Finding the Fourth Proportional to 26,940, 37,177.20 and 15,764.16

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Solution

The fourth proportional to 26,940, 37,177.20 and 15,764.16 is: 21,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940 : 37,177.20 = 15,764.16 : x
  2. Step 2: Convert to fraction form
    26,940/37,177.20 = 15,764.16/x
  3. Step 3: Cross multiply
    26,940x = 37,177.20 × 15,764.16
  4. Step 4: Simplify right side
    26,940x = 586,067,329.15
  5. Step 5: Solve for x
    x = 586,067,329.15/26,940
  6. Step 6: Final answer
    x = 21,754.54

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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.