Home / 38,181.36-57,220.20-28,357.68

Finding the Fourth Proportional to 38,181.36, 57,220.20 and 28,357.68

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Solution

The fourth proportional to 38,181.36, 57,220.20 and 28,357.68 is: 42,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.36 : 57,220.20 = 28,357.68 : x
  2. Step 2: Convert to fraction form
    38,181.36/57,220.20 = 28,357.68/x
  3. Step 3: Cross multiply
    38,181.36x = 57,220.20 × 28,357.68
  4. Step 4: Simplify right side
    38,181.36x = 1,622,632,121.14
  5. Step 5: Solve for x
    x = 1,622,632,121.14/38,181.36
  6. Step 6: Final answer
    x = 42,498.02

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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.