Home / 26,408.70-39,627.45-10,827.90

Finding the Fourth Proportional to 26,408.70, 39,627.45 and 10,827.90

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Solution

The fourth proportional to 26,408.70, 39,627.45 and 10,827.90 is: 16,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.70 : 39,627.45 = 10,827.90 : x
  2. Step 2: Convert to fraction form
    26,408.70/39,627.45 = 10,827.90/x
  3. Step 3: Cross multiply
    26,408.70x = 39,627.45 × 10,827.90
  4. Step 4: Simplify right side
    26,408.70x = 429,082,065.86
  5. Step 5: Solve for x
    x = 429,082,065.86/26,408.70
  6. Step 6: Final answer
    x = 16,247.75

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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.