Home / 28,084.50-38,761.56-16,754.70

Finding the Fourth Proportional to 28,084.50, 38,761.56 and 16,754.70

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Solution

The fourth proportional to 28,084.50, 38,761.56 and 16,754.70 is: 23,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.50 : 38,761.56 = 16,754.70 : x
  2. Step 2: Convert to fraction form
    28,084.50/38,761.56 = 16,754.70/x
  3. Step 3: Cross multiply
    28,084.50x = 38,761.56 × 16,754.70
  4. Step 4: Simplify right side
    28,084.50x = 649,438,309.33
  5. Step 5: Solve for x
    x = 649,438,309.33/28,084.50
  6. Step 6: Final answer
    x = 23,124.44

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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.