Home / 28,181.05-42,270.26-11,536.97

Finding the Fourth Proportional to 28,181.05, 42,270.26 and 11,536.97

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Solution

The fourth proportional to 28,181.05, 42,270.26 and 11,536.97 is: 17,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.05 : 42,270.26 = 11,536.97 : x
  2. Step 2: Convert to fraction form
    28,181.05/42,270.26 = 11,536.97/x
  3. Step 3: Cross multiply
    28,181.05x = 42,270.26 × 11,536.97
  4. Step 4: Simplify right side
    28,181.05x = 487,670,452.48
  5. Step 5: Solve for x
    x = 487,670,452.48/28,181.05
  6. Step 6: Final answer
    x = 17,304.91

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1.5x scale

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.