Home / 20,308.88-30,447.86-14,052.26

Finding the Fourth Proportional to 20,308.88, 30,447.86 and 14,052.26

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Solution

The fourth proportional to 20,308.88, 30,447.86 and 14,052.26 is: 21,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.88 : 30,447.86 = 14,052.26 : x
  2. Step 2: Convert to fraction form
    20,308.88/30,447.86 = 14,052.26/x
  3. Step 3: Cross multiply
    20,308.88x = 30,447.86 × 14,052.26
  4. Step 4: Simplify right side
    20,308.88x = 427,861,245.16
  5. Step 5: Solve for x
    x = 427,861,245.16/20,308.88
  6. Step 6: Final answer
    x = 21,067.69

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1.5x scale

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.