Home / 26,930.38-37,151.16-18,976.98

Finding the Fourth Proportional to 26,930.38, 37,151.16 and 18,976.98

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Solution

The fourth proportional to 26,930.38, 37,151.16 and 18,976.98 is: 26,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.38 : 37,151.16 = 18,976.98 : x
  2. Step 2: Convert to fraction form
    26,930.38/37,151.16 = 18,976.98/x
  3. Step 3: Cross multiply
    26,930.38x = 37,151.16 × 18,976.98
  4. Step 4: Simplify right side
    26,930.38x = 705,016,820.30
  5. Step 5: Solve for x
    x = 705,016,820.30/26,930.38
  6. Step 6: Final answer
    x = 26,179.24

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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.