Home / 28,191.75-38,894.94-16,083.53

Finding the Fourth Proportional to 28,191.75, 38,894.94 and 16,083.53

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Solution

The fourth proportional to 28,191.75, 38,894.94 and 16,083.53 is: 22,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.75 : 38,894.94 = 16,083.53 : x
  2. Step 2: Convert to fraction form
    28,191.75/38,894.94 = 16,083.53/x
  3. Step 3: Cross multiply
    28,191.75x = 38,894.94 × 16,083.53
  4. Step 4: Simplify right side
    28,191.75x = 625,567,739.86
  5. Step 5: Solve for x
    x = 625,567,739.86/28,191.75
  6. Step 6: Final answer
    x = 22,189.74

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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.