Home / 20,468.44-28,216.38-14,481.64

Finding the Fourth Proportional to 20,468.44, 28,216.38 and 14,481.64

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Solution

The fourth proportional to 20,468.44, 28,216.38 and 14,481.64 is: 19,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.44 : 28,216.38 = 14,481.64 : x
  2. Step 2: Convert to fraction form
    20,468.44/28,216.38 = 14,481.64/x
  3. Step 3: Cross multiply
    20,468.44x = 28,216.38 × 14,481.64
  4. Step 4: Simplify right side
    20,468.44x = 408,619,457.26
  5. Step 5: Solve for x
    x = 408,619,457.26/20,468.44
  6. Step 6: Final answer
    x = 19,963.39

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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.