Home / 52,286.88-72,154.19-28,413.05

Finding the Fourth Proportional to 52,286.88, 72,154.19 and 28,413.05

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Solution

The fourth proportional to 52,286.88, 72,154.19 and 28,413.05 is: 39,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.88 : 72,154.19 = 28,413.05 : x
  2. Step 2: Convert to fraction form
    52,286.88/72,154.19 = 28,413.05/x
  3. Step 3: Cross multiply
    52,286.88x = 72,154.19 × 28,413.05
  4. Step 4: Simplify right side
    52,286.88x = 2,050,120,105.34
  5. Step 5: Solve for x
    x = 2,050,120,105.34/52,286.88
  6. Step 6: Final answer
    x = 39,209.07

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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.