Home / 28,205.44-38,896.54-16,873.05

Finding the Fourth Proportional to 28,205.44, 38,896.54 and 16,873.05

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Solution

The fourth proportional to 28,205.44, 38,896.54 and 16,873.05 is: 23,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.44 : 38,896.54 = 16,873.05 : x
  2. Step 2: Convert to fraction form
    28,205.44/38,896.54 = 16,873.05/x
  3. Step 3: Cross multiply
    28,205.44x = 38,896.54 × 16,873.05
  4. Step 4: Simplify right side
    28,205.44x = 656,303,264.25
  5. Step 5: Solve for x
    x = 656,303,264.25/28,205.44
  6. Step 6: Final answer
    x = 23,268.68

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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.