Home / 26,408.72-39,618.55-8,878.09

Finding the Fourth Proportional to 26,408.72, 39,618.55 and 8,878.09

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Solution

The fourth proportional to 26,408.72, 39,618.55 and 8,878.09 is: 13,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.72 : 39,618.55 = 8,878.09 : x
  2. Step 2: Convert to fraction form
    26,408.72/39,618.55 = 8,878.09/x
  3. Step 3: Cross multiply
    26,408.72x = 39,618.55 × 8,878.09
  4. Step 4: Simplify right side
    26,408.72x = 351,737,052.57
  5. Step 5: Solve for x
    x = 351,737,052.57/26,408.72
  6. Step 6: Final answer
    x = 13,318.97

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1.5x scale

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.