Home / 28,788.25-43,182.37-11,245.77

Finding the Fourth Proportional to 28,788.25, 43,182.37 and 11,245.77

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Solution

The fourth proportional to 28,788.25, 43,182.37 and 11,245.77 is: 16,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.25 : 43,182.37 = 11,245.77 : x
  2. Step 2: Convert to fraction form
    28,788.25/43,182.37 = 11,245.77/x
  3. Step 3: Cross multiply
    28,788.25x = 43,182.37 × 11,245.77
  4. Step 4: Simplify right side
    28,788.25x = 485,619,001.07
  5. Step 5: Solve for x
    x = 485,619,001.07/28,788.25
  6. Step 6: Final answer
    x = 16,868.65

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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.