Home / 28,229.96-38,954.54-16,297.14

Finding the Fourth Proportional to 28,229.96, 38,954.54 and 16,297.14

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Solution

The fourth proportional to 28,229.96, 38,954.54 and 16,297.14 is: 22,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.96 : 38,954.54 = 16,297.14 : x
  2. Step 2: Convert to fraction form
    28,229.96/38,954.54 = 16,297.14/x
  3. Step 3: Cross multiply
    28,229.96x = 38,954.54 × 16,297.14
  4. Step 4: Simplify right side
    28,229.96x = 634,847,592.02
  5. Step 5: Solve for x
    x = 634,847,592.02/28,229.96
  6. Step 6: Final answer
    x = 22,488.43

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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.