Home / 26,305.20-39,408.48-20,433.60

Finding the Fourth Proportional to 26,305.20, 39,408.48 and 20,433.60

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Solution

The fourth proportional to 26,305.20, 39,408.48 and 20,433.60 is: 30,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305.20 : 39,408.48 = 20,433.60 : x
  2. Step 2: Convert to fraction form
    26,305.20/39,408.48 = 20,433.60/x
  3. Step 3: Cross multiply
    26,305.20x = 39,408.48 × 20,433.60
  4. Step 4: Simplify right side
    26,305.20x = 805,257,116.93
  5. Step 5: Solve for x
    x = 805,257,116.93/26,305.20
  6. Step 6: Final answer
    x = 30,612.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.