Home / 38,010.60-57,015.90-28,096.20

Finding the Fourth Proportional to 38,010.60, 57,015.90 and 28,096.20

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Solution

The fourth proportional to 38,010.60, 57,015.90 and 28,096.20 is: 42,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.60 : 57,015.90 = 28,096.20 : x
  2. Step 2: Convert to fraction form
    38,010.60/57,015.90 = 28,096.20/x
  3. Step 3: Cross multiply
    38,010.60x = 57,015.90 × 28,096.20
  4. Step 4: Simplify right side
    38,010.60x = 1,601,930,129.58
  5. Step 5: Solve for x
    x = 1,601,930,129.58/38,010.60
  6. Step 6: Final answer
    x = 42,144.30

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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.