Home / 20,523.44-28,296.80-17,122

Finding the Fourth Proportional to 20,523.44, 28,296.80 and 17,122

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Solution

The fourth proportional to 20,523.44, 28,296.80 and 17,122 is: 23,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.44 : 28,296.80 = 17,122 : x
  2. Step 2: Convert to fraction form
    20,523.44/28,296.80 = 17,122/x
  3. Step 3: Cross multiply
    20,523.44x = 28,296.80 × 17,122
  4. Step 4: Simplify right side
    20,523.44x = 484,497,809.60
  5. Step 5: Solve for x
    x = 484,497,809.60/20,523.44
  6. Step 6: Final answer
    x = 23,607.05

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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.