Home / 27,683.85-41,487.18-20,923.89

Finding the Fourth Proportional to 27,683.85, 41,487.18 and 20,923.89

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Solution

The fourth proportional to 27,683.85, 41,487.18 and 20,923.89 is: 31,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.85 : 41,487.18 = 20,923.89 : x
  2. Step 2: Convert to fraction form
    27,683.85/41,487.18 = 20,923.89/x
  3. Step 3: Cross multiply
    27,683.85x = 41,487.18 × 20,923.89
  4. Step 4: Simplify right side
    27,683.85x = 868,073,190.73
  5. Step 5: Solve for x
    x = 868,073,190.73/27,683.85
  6. Step 6: Final answer
    x = 31,356.66

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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.