Home / 72,289.48-108,427.82-25,540.04

Finding the Fourth Proportional to 72,289.48, 108,427.82 and 25,540.04

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Solution

The fourth proportional to 72,289.48, 108,427.82 and 25,540.04 is: 38,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,289.48 : 108,427.82 = 25,540.04 : x
  2. Step 2: Convert to fraction form
    72,289.48/108,427.82 = 25,540.04/x
  3. Step 3: Cross multiply
    72,289.48x = 108,427.82 × 25,540.04
  4. Step 4: Simplify right side
    72,289.48x = 2,769,250,859.91
  5. Step 5: Solve for x
    x = 2,769,250,859.91/72,289.48
  6. Step 6: Final answer
    x = 38,307.80

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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.