Home / 26,834.90-40,239.26-8,111.32

Finding the Fourth Proportional to 26,834.90, 40,239.26 and 8,111.32

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Solution

The fourth proportional to 26,834.90, 40,239.26 and 8,111.32 is: 12,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,834.90 : 40,239.26 = 8,111.32 : x
  2. Step 2: Convert to fraction form
    26,834.90/40,239.26 = 8,111.32/x
  3. Step 3: Cross multiply
    26,834.90x = 40,239.26 × 8,111.32
  4. Step 4: Simplify right side
    26,834.90x = 326,393,514.42
  5. Step 5: Solve for x
    x = 326,393,514.42/26,834.90
  6. Step 6: Final answer
    x = 12,163.02

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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.