Home / 26,367.78-39,551.21-6,645.90

Finding the Fourth Proportional to 26,367.78, 39,551.21 and 6,645.90

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Solution

The fourth proportional to 26,367.78, 39,551.21 and 6,645.90 is: 9,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.78 : 39,551.21 = 6,645.90 : x
  2. Step 2: Convert to fraction form
    26,367.78/39,551.21 = 6,645.90/x
  3. Step 3: Cross multiply
    26,367.78x = 39,551.21 × 6,645.90
  4. Step 4: Simplify right side
    26,367.78x = 262,853,386.54
  5. Step 5: Solve for x
    x = 262,853,386.54/26,367.78
  6. Step 6: Final answer
    x = 9,968.73

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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.