Home / 28,033.54-38,691.89-16,105.06

Finding the Fourth Proportional to 28,033.54, 38,691.89 and 16,105.06

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Solution

The fourth proportional to 28,033.54, 38,691.89 and 16,105.06 is: 22,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.54 : 38,691.89 = 16,105.06 : x
  2. Step 2: Convert to fraction form
    28,033.54/38,691.89 = 16,105.06/x
  3. Step 3: Cross multiply
    28,033.54x = 38,691.89 × 16,105.06
  4. Step 4: Simplify right side
    28,033.54x = 623,135,209.96
  5. Step 5: Solve for x
    x = 623,135,209.96/28,033.54
  6. Step 6: Final answer
    x = 22,228.20

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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.