Home / 26,113.24-39,161.76-8,578.90

Finding the Fourth Proportional to 26,113.24, 39,161.76 and 8,578.90

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Solution

The fourth proportional to 26,113.24, 39,161.76 and 8,578.90 is: 12,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.24 : 39,161.76 = 8,578.90 : x
  2. Step 2: Convert to fraction form
    26,113.24/39,161.76 = 8,578.90/x
  3. Step 3: Cross multiply
    26,113.24x = 39,161.76 × 8,578.90
  4. Step 4: Simplify right side
    26,113.24x = 335,964,822.86
  5. Step 5: Solve for x
    x = 335,964,822.86/26,113.24
  6. Step 6: Final answer
    x = 12,865.69

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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.