Home / 28,546.14-39,396.63-16,447.02

Finding the Fourth Proportional to 28,546.14, 39,396.63 and 16,447.02

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Solution

The fourth proportional to 28,546.14, 39,396.63 and 16,447.02 is: 22,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.14 : 39,396.63 = 16,447.02 : x
  2. Step 2: Convert to fraction form
    28,546.14/39,396.63 = 16,447.02/x
  3. Step 3: Cross multiply
    28,546.14x = 39,396.63 × 16,447.02
  4. Step 4: Simplify right side
    28,546.14x = 647,957,161.54
  5. Step 5: Solve for x
    x = 647,957,161.54/28,546.14
  6. Step 6: Final answer
    x = 22,698.59

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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.