Home / 28,817.28-39,767.49-16,242.03

Finding the Fourth Proportional to 28,817.28, 39,767.49 and 16,242.03

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Solution

The fourth proportional to 28,817.28, 39,767.49 and 16,242.03 is: 22,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.28 : 39,767.49 = 16,242.03 : x
  2. Step 2: Convert to fraction form
    28,817.28/39,767.49 = 16,242.03/x
  3. Step 3: Cross multiply
    28,817.28x = 39,767.49 × 16,242.03
  4. Step 4: Simplify right side
    28,817.28x = 645,904,765.60
  5. Step 5: Solve for x
    x = 645,904,765.60/28,817.28
  6. Step 6: Final answer
    x = 22,413.80

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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.