Home / 26,918.56-40,379.48-8,199.97

Finding the Fourth Proportional to 26,918.56, 40,379.48 and 8,199.97

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Solution

The fourth proportional to 26,918.56, 40,379.48 and 8,199.97 is: 12,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.56 : 40,379.48 = 8,199.97 : x
  2. Step 2: Convert to fraction form
    26,918.56/40,379.48 = 8,199.97/x
  3. Step 3: Cross multiply
    26,918.56x = 40,379.48 × 8,199.97
  4. Step 4: Simplify right side
    26,918.56x = 331,110,413.42
  5. Step 5: Solve for x
    x = 331,110,413.42/26,918.56
  6. Step 6: Final answer
    x = 12,300.45

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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.