Home / 26,769.96-40,137.66-17,991.72

Finding the Fourth Proportional to 26,769.96, 40,137.66 and 17,991.72

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Solution

The fourth proportional to 26,769.96, 40,137.66 and 17,991.72 is: 26,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.96 : 40,137.66 = 17,991.72 : x
  2. Step 2: Convert to fraction form
    26,769.96/40,137.66 = 17,991.72/x
  3. Step 3: Cross multiply
    26,769.96x = 40,137.66 × 17,991.72
  4. Step 4: Simplify right side
    26,769.96x = 722,145,540.18
  5. Step 5: Solve for x
    x = 722,145,540.18/26,769.96
  6. Step 6: Final answer
    x = 26,975.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.