Home / 26,578.98-39,845.83-11,779.83

Finding the Fourth Proportional to 26,578.98, 39,845.83 and 11,779.83

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Solution

The fourth proportional to 26,578.98, 39,845.83 and 11,779.83 is: 17,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578.98 : 39,845.83 = 11,779.83 : x
  2. Step 2: Convert to fraction form
    26,578.98/39,845.83 = 11,779.83/x
  3. Step 3: Cross multiply
    26,578.98x = 39,845.83 × 11,779.83
  4. Step 4: Simplify right side
    26,578.98x = 469,377,103.61
  5. Step 5: Solve for x
    x = 469,377,103.61/26,578.98
  6. Step 6: Final answer
    x = 17,659.71

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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.