Home / 27,269.80-40,866.30-20,194.60

Finding the Fourth Proportional to 27,269.80, 40,866.30 and 20,194.60

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Solution

The fourth proportional to 27,269.80, 40,866.30 and 20,194.60 is: 30,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.80 : 40,866.30 = 20,194.60 : x
  2. Step 2: Convert to fraction form
    27,269.80/40,866.30 = 20,194.60/x
  3. Step 3: Cross multiply
    27,269.80x = 40,866.30 × 20,194.60
  4. Step 4: Simplify right side
    27,269.80x = 825,278,581.98
  5. Step 5: Solve for x
    x = 825,278,581.98/27,269.80
  6. Step 6: Final answer
    x = 30,263.46

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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.