Home / 28,093.76-38,770.56-16,157.10

Finding the Fourth Proportional to 28,093.76, 38,770.56 and 16,157.10

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Solution

The fourth proportional to 28,093.76, 38,770.56 and 16,157.10 is: 22,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.76 : 38,770.56 = 16,157.10 : x
  2. Step 2: Convert to fraction form
    28,093.76/38,770.56 = 16,157.10/x
  3. Step 3: Cross multiply
    28,093.76x = 38,770.56 × 16,157.10
  4. Step 4: Simplify right side
    28,093.76x = 626,419,843.24
  5. Step 5: Solve for x
    x = 626,419,843.24/28,093.76
  6. Step 6: Final answer
    x = 22,297.48

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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.