Home / 28,816.77-39,768.26-16,241.25

Finding the Fourth Proportional to 28,816.77, 39,768.26 and 16,241.25

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Solution

The fourth proportional to 28,816.77, 39,768.26 and 16,241.25 is: 22,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.77 : 39,768.26 = 16,241.25 : x
  2. Step 2: Convert to fraction form
    28,816.77/39,768.26 = 16,241.25/x
  3. Step 3: Cross multiply
    28,816.77x = 39,768.26 × 16,241.25
  4. Step 4: Simplify right side
    28,816.77x = 645,886,171.52
  5. Step 5: Solve for x
    x = 645,886,171.52/28,816.77
  6. Step 6: Final answer
    x = 22,413.55

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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.