Home / 28,413.12-39,202.20-16,474.08

Finding the Fourth Proportional to 28,413.12, 39,202.20 and 16,474.08

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Solution

The fourth proportional to 28,413.12, 39,202.20 and 16,474.08 is: 22,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.12 : 39,202.20 = 16,474.08 : x
  2. Step 2: Convert to fraction form
    28,413.12/39,202.20 = 16,474.08/x
  3. Step 3: Cross multiply
    28,413.12x = 39,202.20 × 16,474.08
  4. Step 4: Simplify right side
    28,413.12x = 645,820,178.98
  5. Step 5: Solve for x
    x = 645,820,178.98/28,413.12
  6. Step 6: Final answer
    x = 22,729.65

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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.