Home / 28,211.10-42,195.15-25,270.80

Finding the Fourth Proportional to 28,211.10, 42,195.15 and 25,270.80

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Solution

The fourth proportional to 28,211.10, 42,195.15 and 25,270.80 is: 37,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.10 : 42,195.15 = 25,270.80 : x
  2. Step 2: Convert to fraction form
    28,211.10/42,195.15 = 25,270.80/x
  3. Step 3: Cross multiply
    28,211.10x = 42,195.15 × 25,270.80
  4. Step 4: Simplify right side
    28,211.10x = 1,066,305,196.62
  5. Step 5: Solve for x
    x = 1,066,305,196.62/28,211.10
  6. Step 6: Final answer
    x = 37,797.36

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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.