Home / 38,497.44-57,739.68-13,556

Finding the Fourth Proportional to 38,497.44, 57,739.68 and 13,556

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Solution

The fourth proportional to 38,497.44, 57,739.68 and 13,556 is: 20,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497.44 : 57,739.68 = 13,556 : x
  2. Step 2: Convert to fraction form
    38,497.44/57,739.68 = 13,556/x
  3. Step 3: Cross multiply
    38,497.44x = 57,739.68 × 13,556
  4. Step 4: Simplify right side
    38,497.44x = 782,719,102.08
  5. Step 5: Solve for x
    x = 782,719,102.08/38,497.44
  6. Step 6: Final answer
    x = 20,331.72

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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.