Home / 27,585.78-41,399.46-20,209.14

Finding the Fourth Proportional to 27,585.78, 41,399.46 and 20,209.14

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Solution

The fourth proportional to 27,585.78, 41,399.46 and 20,209.14 is: 30,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.78 : 41,399.46 = 20,209.14 : x
  2. Step 2: Convert to fraction form
    27,585.78/41,399.46 = 20,209.14/x
  3. Step 3: Cross multiply
    27,585.78x = 41,399.46 × 20,209.14
  4. Step 4: Simplify right side
    27,585.78x = 836,647,483.06
  5. Step 5: Solve for x
    x = 836,647,483.06/27,585.78
  6. Step 6: Final answer
    x = 30,328.94

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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.