Home / 25,405.09-38,108.70-9,608.59

Finding the Fourth Proportional to 25,405.09, 38,108.70 and 9,608.59

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Solution

The fourth proportional to 25,405.09, 38,108.70 and 9,608.59 is: 14,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.09 : 38,108.70 = 9,608.59 : x
  2. Step 2: Convert to fraction form
    25,405.09/38,108.70 = 9,608.59/x
  3. Step 3: Cross multiply
    25,405.09x = 38,108.70 × 9,608.59
  4. Step 4: Simplify right side
    25,405.09x = 366,170,873.73
  5. Step 5: Solve for x
    x = 366,170,873.73/25,405.09
  6. Step 6: Final answer
    x = 14,413.29

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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.