Home / 20,413.81-30,591.96-16,235.29

Finding the Fourth Proportional to 20,413.81, 30,591.96 and 16,235.29

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Solution

The fourth proportional to 20,413.81, 30,591.96 and 16,235.29 is: 24,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.81 : 30,591.96 = 16,235.29 : x
  2. Step 2: Convert to fraction form
    20,413.81/30,591.96 = 16,235.29/x
  3. Step 3: Cross multiply
    20,413.81x = 30,591.96 × 16,235.29
  4. Step 4: Simplify right side
    20,413.81x = 496,669,342.27
  5. Step 5: Solve for x
    x = 496,669,342.27/20,413.81
  6. Step 6: Final answer
    x = 24,330.07

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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.