Home / 28,819.22-43,230.15-10,811.75

Finding the Fourth Proportional to 28,819.22, 43,230.15 and 10,811.75

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Solution

The fourth proportional to 28,819.22, 43,230.15 and 10,811.75 is: 16,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.22 : 43,230.15 = 10,811.75 : x
  2. Step 2: Convert to fraction form
    28,819.22/43,230.15 = 10,811.75/x
  3. Step 3: Cross multiply
    28,819.22x = 43,230.15 × 10,811.75
  4. Step 4: Simplify right side
    28,819.22x = 467,393,574.26
  5. Step 5: Solve for x
    x = 467,393,574.26/28,819.22
  6. Step 6: Final answer
    x = 16,218.12

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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.