Home / 20,610.60-28,466.24-13,568.44

Finding the Fourth Proportional to 20,610.60, 28,466.24 and 13,568.44

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Solution

The fourth proportional to 20,610.60, 28,466.24 and 13,568.44 is: 18,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.60 : 28,466.24 = 13,568.44 : x
  2. Step 2: Convert to fraction form
    20,610.60/28,466.24 = 13,568.44/x
  3. Step 3: Cross multiply
    20,610.60x = 28,466.24 × 13,568.44
  4. Step 4: Simplify right side
    20,610.60x = 386,242,469.47
  5. Step 5: Solve for x
    x = 386,242,469.47/20,610.60
  6. Step 6: Final answer
    x = 18,739.99

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1.5x scale

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.