Home / 28,662.21-39,553.29-15,914.73

Finding the Fourth Proportional to 28,662.21, 39,553.29 and 15,914.73

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Solution

The fourth proportional to 28,662.21, 39,553.29 and 15,914.73 is: 21,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.21 : 39,553.29 = 15,914.73 : x
  2. Step 2: Convert to fraction form
    28,662.21/39,553.29 = 15,914.73/x
  3. Step 3: Cross multiply
    28,662.21x = 39,553.29 × 15,914.73
  4. Step 4: Simplify right side
    28,662.21x = 629,479,832.08
  5. Step 5: Solve for x
    x = 629,479,832.08/28,662.21
  6. Step 6: Final answer
    x = 21,962.02

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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.