Home / 28,659.75-39,552.21-16,084.50

Finding the Fourth Proportional to 28,659.75, 39,552.21 and 16,084.50

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Solution

The fourth proportional to 28,659.75, 39,552.21 and 16,084.50 is: 22,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.75 : 39,552.21 = 16,084.50 : x
  2. Step 2: Convert to fraction form
    28,659.75/39,552.21 = 16,084.50/x
  3. Step 3: Cross multiply
    28,659.75x = 39,552.21 × 16,084.50
  4. Step 4: Simplify right side
    28,659.75x = 636,177,521.75
  5. Step 5: Solve for x
    x = 636,177,521.75/28,659.75
  6. Step 6: Final answer
    x = 22,197.59

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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.