Home / 27,586.28-41,400.21-20,209.64

Finding the Fourth Proportional to 27,586.28, 41,400.21 and 20,209.64

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Solution

The fourth proportional to 27,586.28, 41,400.21 and 20,209.64 is: 30,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.28 : 41,400.21 = 20,209.64 : x
  2. Step 2: Convert to fraction form
    27,586.28/41,400.21 = 20,209.64/x
  3. Step 3: Cross multiply
    27,586.28x = 41,400.21 × 20,209.64
  4. Step 4: Simplify right side
    27,586.28x = 836,683,340.02
  5. Step 5: Solve for x
    x = 836,683,340.02/27,586.28
  6. Step 6: Final answer
    x = 30,329.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.