Home / 28,788.91-43,177.40-7,723.95

Finding the Fourth Proportional to 28,788.91, 43,177.40 and 7,723.95

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Solution

The fourth proportional to 28,788.91, 43,177.40 and 7,723.95 is: 11,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.91 : 43,177.40 = 7,723.95 : x
  2. Step 2: Convert to fraction form
    28,788.91/43,177.40 = 7,723.95/x
  3. Step 3: Cross multiply
    28,788.91x = 43,177.40 × 7,723.95
  4. Step 4: Simplify right side
    28,788.91x = 333,500,078.73
  5. Step 5: Solve for x
    x = 333,500,078.73/28,788.91
  6. Step 6: Final answer
    x = 11,584.32

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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.