Home / 28,954.24-39,958.32-16,383.04

Finding the Fourth Proportional to 28,954.24, 39,958.32 and 16,383.04

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Solution

The fourth proportional to 28,954.24, 39,958.32 and 16,383.04 is: 22,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.24 : 39,958.32 = 16,383.04 : x
  2. Step 2: Convert to fraction form
    28,954.24/39,958.32 = 16,383.04/x
  3. Step 3: Cross multiply
    28,954.24x = 39,958.32 × 16,383.04
  4. Step 4: Simplify right side
    28,954.24x = 654,638,754.89
  5. Step 5: Solve for x
    x = 654,638,754.89/28,954.24
  6. Step 6: Final answer
    x = 22,609.43

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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.