Home / 20,322.44-28,046.06-11,369.41

Finding the Fourth Proportional to 20,322.44, 28,046.06 and 11,369.41

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Solution

The fourth proportional to 20,322.44, 28,046.06 and 11,369.41 is: 15,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.44 : 28,046.06 = 11,369.41 : x
  2. Step 2: Convert to fraction form
    20,322.44/28,046.06 = 11,369.41/x
  3. Step 3: Cross multiply
    20,322.44x = 28,046.06 × 11,369.41
  4. Step 4: Simplify right side
    20,322.44x = 318,866,957.95
  5. Step 5: Solve for x
    x = 318,866,957.95/20,322.44
  6. Step 6: Final answer
    x = 15,690.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.