Home / 26,587.44-39,879.72-8,118

Finding the Fourth Proportional to 26,587.44, 39,879.72 and 8,118

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Solution

The fourth proportional to 26,587.44, 39,879.72 and 8,118 is: 12,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.44 : 39,879.72 = 8,118 : x
  2. Step 2: Convert to fraction form
    26,587.44/39,879.72 = 8,118/x
  3. Step 3: Cross multiply
    26,587.44x = 39,879.72 × 8,118
  4. Step 4: Simplify right side
    26,587.44x = 323,743,566.96
  5. Step 5: Solve for x
    x = 323,743,566.96/26,587.44
  6. Step 6: Final answer
    x = 12,176.56

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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.