Home / 28,904.30-43,270.05-25,793.90

Finding the Fourth Proportional to 28,904.30, 43,270.05 and 25,793.90

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Solution

The fourth proportional to 28,904.30, 43,270.05 and 25,793.90 is: 38,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.30 : 43,270.05 = 25,793.90 : x
  2. Step 2: Convert to fraction form
    28,904.30/43,270.05 = 25,793.90/x
  3. Step 3: Cross multiply
    28,904.30x = 43,270.05 × 25,793.90
  4. Step 4: Simplify right side
    28,904.30x = 1,116,103,342.70
  5. Step 5: Solve for x
    x = 1,116,103,342.70/28,904.30
  6. Step 6: Final answer
    x = 38,613.75

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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.