Home / 28,413.29-39,207.66-16,475.33

Finding the Fourth Proportional to 28,413.29, 39,207.66 and 16,475.33

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Solution

The fourth proportional to 28,413.29, 39,207.66 and 16,475.33 is: 22,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.29 : 39,207.66 = 16,475.33 : x
  2. Step 2: Convert to fraction form
    28,413.29/39,207.66 = 16,475.33/x
  3. Step 3: Cross multiply
    28,413.29x = 39,207.66 × 16,475.33
  4. Step 4: Simplify right side
    28,413.29x = 645,959,137.03
  5. Step 5: Solve for x
    x = 645,959,137.03/28,413.29
  6. Step 6: Final answer
    x = 22,734.40

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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.