Home / 28,662.24-39,553.22-15,914.68

Finding the Fourth Proportional to 28,662.24, 39,553.22 and 15,914.68

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Solution

The fourth proportional to 28,662.24, 39,553.22 and 15,914.68 is: 21,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.24 : 39,553.22 = 15,914.68 : x
  2. Step 2: Convert to fraction form
    28,662.24/39,553.22 = 15,914.68/x
  3. Step 3: Cross multiply
    28,662.24x = 39,553.22 × 15,914.68
  4. Step 4: Simplify right side
    28,662.24x = 629,476,839.27
  5. Step 5: Solve for x
    x = 629,476,839.27/28,662.24
  6. Step 6: Final answer
    x = 21,961.89

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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.