Home / 28,169.76-42,160.32-27,796.80

Finding the Fourth Proportional to 28,169.76, 42,160.32 and 27,796.80

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Solution

The fourth proportional to 28,169.76, 42,160.32 and 27,796.80 is: 41,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.76 : 42,160.32 = 27,796.80 : x
  2. Step 2: Convert to fraction form
    28,169.76/42,160.32 = 27,796.80/x
  3. Step 3: Cross multiply
    28,169.76x = 42,160.32 × 27,796.80
  4. Step 4: Simplify right side
    28,169.76x = 1,171,921,982.98
  5. Step 5: Solve for x
    x = 1,171,921,982.98/28,169.76
  6. Step 6: Final answer
    x = 41,602.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.