Home / 26,945.76-40,393.64-13,769.08

Finding the Fourth Proportional to 26,945.76, 40,393.64 and 13,769.08

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Solution

The fourth proportional to 26,945.76, 40,393.64 and 13,769.08 is: 20,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.76 : 40,393.64 = 13,769.08 : x
  2. Step 2: Convert to fraction form
    26,945.76/40,393.64 = 13,769.08/x
  3. Step 3: Cross multiply
    26,945.76x = 40,393.64 × 13,769.08
  4. Step 4: Simplify right side
    26,945.76x = 556,183,260.65
  5. Step 5: Solve for x
    x = 556,183,260.65/26,945.76
  6. Step 6: Final answer
    x = 20,640.85

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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.