Home / 21,884.66-32,799.28-13,984.12

Finding the Fourth Proportional to 21,884.66, 32,799.28 and 13,984.12

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Solution

The fourth proportional to 21,884.66, 32,799.28 and 13,984.12 is: 20,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.66 : 32,799.28 = 13,984.12 : x
  2. Step 2: Convert to fraction form
    21,884.66/32,799.28 = 13,984.12/x
  3. Step 3: Cross multiply
    21,884.66x = 32,799.28 × 13,984.12
  4. Step 4: Simplify right side
    21,884.66x = 458,669,067.43
  5. Step 5: Solve for x
    x = 458,669,067.43/21,884.66
  6. Step 6: Final answer
    x = 20,958.47

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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.