Home / 38,502.78-57,719.53-13,873.02

Finding the Fourth Proportional to 38,502.78, 57,719.53 and 13,873.02

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Solution

The fourth proportional to 38,502.78, 57,719.53 and 13,873.02 is: 20,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.78 : 57,719.53 = 13,873.02 : x
  2. Step 2: Convert to fraction form
    38,502.78/57,719.53 = 13,873.02/x
  3. Step 3: Cross multiply
    38,502.78x = 57,719.53 × 13,873.02
  4. Step 4: Simplify right side
    38,502.78x = 800,744,194.08
  5. Step 5: Solve for x
    x = 800,744,194.08/38,502.78
  6. Step 6: Final answer
    x = 20,797.05

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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.