Home / 28,183.92-38,884.95-16,245.60

Finding the Fourth Proportional to 28,183.92, 38,884.95 and 16,245.60

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Solution

The fourth proportional to 28,183.92, 38,884.95 and 16,245.60 is: 22,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.92 : 38,884.95 = 16,245.60 : x
  2. Step 2: Convert to fraction form
    28,183.92/38,884.95 = 16,245.60/x
  3. Step 3: Cross multiply
    28,183.92x = 38,884.95 × 16,245.60
  4. Step 4: Simplify right side
    28,183.92x = 631,709,343.72
  5. Step 5: Solve for x
    x = 631,709,343.72/28,183.92
  6. Step 6: Final answer
    x = 22,413.82

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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.