Home / 26,979.54-40,469.33-7,260.09

Finding the Fourth Proportional to 26,979.54, 40,469.33 and 7,260.09

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Solution

The fourth proportional to 26,979.54, 40,469.33 and 7,260.09 is: 10,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.54 : 40,469.33 = 7,260.09 : x
  2. Step 2: Convert to fraction form
    26,979.54/40,469.33 = 7,260.09/x
  3. Step 3: Cross multiply
    26,979.54x = 40,469.33 × 7,260.09
  4. Step 4: Simplify right side
    26,979.54x = 293,810,941.74
  5. Step 5: Solve for x
    x = 293,810,941.74/26,979.54
  6. Step 6: Final answer
    x = 10,890.14

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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.