Home / 27,682.85-41,485.68-20,922.89

Finding the Fourth Proportional to 27,682.85, 41,485.68 and 20,922.89

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Solution

The fourth proportional to 27,682.85, 41,485.68 and 20,922.89 is: 31,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.85 : 41,485.68 = 20,922.89 : x
  2. Step 2: Convert to fraction form
    27,682.85/41,485.68 = 20,922.89/x
  3. Step 3: Cross multiply
    27,682.85x = 41,485.68 × 20,922.89
  4. Step 4: Simplify right side
    27,682.85x = 868,000,422.93
  5. Step 5: Solve for x
    x = 868,000,422.93/27,682.85
  6. Step 6: Final answer
    x = 31,355.16

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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.