Home / 28,625.25-39,499.21-16,685.61

Finding the Fourth Proportional to 28,625.25, 39,499.21 and 16,685.61

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Solution

The fourth proportional to 28,625.25, 39,499.21 and 16,685.61 is: 23,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.25 : 39,499.21 = 16,685.61 : x
  2. Step 2: Convert to fraction form
    28,625.25/39,499.21 = 16,685.61/x
  3. Step 3: Cross multiply
    28,625.25x = 39,499.21 × 16,685.61
  4. Step 4: Simplify right side
    28,625.25x = 659,068,413.37
  5. Step 5: Solve for x
    x = 659,068,413.37/28,625.25
  6. Step 6: Final answer
    x = 23,024.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.