Home / 26,878.78-37,081.11-16,789.66

Finding the Fourth Proportional to 26,878.78, 37,081.11 and 16,789.66

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Solution

The fourth proportional to 26,878.78, 37,081.11 and 16,789.66 is: 23,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.78 : 37,081.11 = 16,789.66 : x
  2. Step 2: Convert to fraction form
    26,878.78/37,081.11 = 16,789.66/x
  3. Step 3: Cross multiply
    26,878.78x = 37,081.11 × 16,789.66
  4. Step 4: Simplify right side
    26,878.78x = 622,579,229.32
  5. Step 5: Solve for x
    x = 622,579,229.32/26,878.78
  6. Step 6: Final answer
    x = 23,162.48

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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.