Home / 27,975.72-41,793.36-20,015.04

Finding the Fourth Proportional to 27,975.72, 41,793.36 and 20,015.04

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Solution

The fourth proportional to 27,975.72, 41,793.36 and 20,015.04 is: 29,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.72 : 41,793.36 = 20,015.04 : x
  2. Step 2: Convert to fraction form
    27,975.72/41,793.36 = 20,015.04/x
  3. Step 3: Cross multiply
    27,975.72x = 41,793.36 × 20,015.04
  4. Step 4: Simplify right side
    27,975.72x = 836,495,772.13
  5. Step 5: Solve for x
    x = 836,495,772.13/27,975.72
  6. Step 6: Final answer
    x = 29,900.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.