Home / 26,514.18-39,769.20-15,413.78

Finding the Fourth Proportional to 26,514.18, 39,769.20 and 15,413.78

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Solution

The fourth proportional to 26,514.18, 39,769.20 and 15,413.78 is: 23,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,514.18 : 39,769.20 = 15,413.78 : x
  2. Step 2: Convert to fraction form
    26,514.18/39,769.20 = 15,413.78/x
  3. Step 3: Cross multiply
    26,514.18x = 39,769.20 × 15,413.78
  4. Step 4: Simplify right side
    26,514.18x = 612,993,500.73
  5. Step 5: Solve for x
    x = 612,993,500.73/26,514.18
  6. Step 6: Final answer
    x = 23,119.46

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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.