Home / 26,747.88-40,109.18-8,020.68

Finding the Fourth Proportional to 26,747.88, 40,109.18 and 8,020.68

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Solution

The fourth proportional to 26,747.88, 40,109.18 and 8,020.68 is: 12,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.88 : 40,109.18 = 8,020.68 : x
  2. Step 2: Convert to fraction form
    26,747.88/40,109.18 = 8,020.68/x
  3. Step 3: Cross multiply
    26,747.88x = 40,109.18 × 8,020.68
  4. Step 4: Simplify right side
    26,747.88x = 321,702,897.84
  5. Step 5: Solve for x
    x = 321,702,897.84/26,747.88
  6. Step 6: Final answer
    x = 12,027.23

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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.