Home / 28,723.06-39,638.37-16,793.31

Finding the Fourth Proportional to 28,723.06, 39,638.37 and 16,793.31

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Solution

The fourth proportional to 28,723.06, 39,638.37 and 16,793.31 is: 23,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.06 : 39,638.37 = 16,793.31 : x
  2. Step 2: Convert to fraction form
    28,723.06/39,638.37 = 16,793.31/x
  3. Step 3: Cross multiply
    28,723.06x = 39,638.37 × 16,793.31
  4. Step 4: Simplify right side
    28,723.06x = 665,659,435.30
  5. Step 5: Solve for x
    x = 665,659,435.30/28,723.06
  6. Step 6: Final answer
    x = 23,175.09

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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.