Home / 28,147.35-42,250.79-27,512.08

Finding the Fourth Proportional to 28,147.35, 42,250.79 and 27,512.08

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Solution

The fourth proportional to 28,147.35, 42,250.79 and 27,512.08 is: 41,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.35 : 42,250.79 = 27,512.08 : x
  2. Step 2: Convert to fraction form
    28,147.35/42,250.79 = 27,512.08/x
  3. Step 3: Cross multiply
    28,147.35x = 42,250.79 × 27,512.08
  4. Step 4: Simplify right side
    28,147.35x = 1,162,407,114.54
  5. Step 5: Solve for x
    x = 1,162,407,114.54/28,147.35
  6. Step 6: Final answer
    x = 41,297.21

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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.