Home / 38,421.69-57,632.40-17,879.96

Finding the Fourth Proportional to 38,421.69, 57,632.40 and 17,879.96

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Solution

The fourth proportional to 38,421.69, 57,632.40 and 17,879.96 is: 26,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.69 : 57,632.40 = 17,879.96 : x
  2. Step 2: Convert to fraction form
    38,421.69/57,632.40 = 17,879.96/x
  3. Step 3: Cross multiply
    38,421.69x = 57,632.40 × 17,879.96
  4. Step 4: Simplify right side
    38,421.69x = 1,030,464,718.54
  5. Step 5: Solve for x
    x = 1,030,464,718.54/38,421.69
  6. Step 6: Final answer
    x = 26,819.87

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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.