Home / 28,524.54-39,365.16-15,949.30

Finding the Fourth Proportional to 28,524.54, 39,365.16 and 15,949.30

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Solution

The fourth proportional to 28,524.54, 39,365.16 and 15,949.30 is: 22,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.54 : 39,365.16 = 15,949.30 : x
  2. Step 2: Convert to fraction form
    28,524.54/39,365.16 = 15,949.30/x
  3. Step 3: Cross multiply
    28,524.54x = 39,365.16 × 15,949.30
  4. Step 4: Simplify right side
    28,524.54x = 627,846,746.39
  5. Step 5: Solve for x
    x = 627,846,746.39/28,524.54
  6. Step 6: Final answer
    x = 22,010.76

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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.