Home / 28,707.33-43,067.88-13,898.95

Finding the Fourth Proportional to 28,707.33, 43,067.88 and 13,898.95

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Solution

The fourth proportional to 28,707.33, 43,067.88 and 13,898.95 is: 20,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.33 : 43,067.88 = 13,898.95 : x
  2. Step 2: Convert to fraction form
    28,707.33/43,067.88 = 13,898.95/x
  3. Step 3: Cross multiply
    28,707.33x = 43,067.88 × 13,898.95
  4. Step 4: Simplify right side
    28,707.33x = 598,598,310.73
  5. Step 5: Solve for x
    x = 598,598,310.73/28,707.33
  6. Step 6: Final answer
    x = 20,851.76

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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.