Home / 28,408.82-39,200.37-17,228.66

Finding the Fourth Proportional to 28,408.82, 39,200.37 and 17,228.66

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Solution

The fourth proportional to 28,408.82, 39,200.37 and 17,228.66 is: 23,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.82 : 39,200.37 = 17,228.66 : x
  2. Step 2: Convert to fraction form
    28,408.82/39,200.37 = 17,228.66/x
  3. Step 3: Cross multiply
    28,408.82x = 39,200.37 × 17,228.66
  4. Step 4: Simplify right side
    28,408.82x = 675,369,846.60
  5. Step 5: Solve for x
    x = 675,369,846.60/28,408.82
  6. Step 6: Final answer
    x = 23,773.25

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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.