Home / 27,941.09-41,912.40-8,220.29

Finding the Fourth Proportional to 27,941.09, 41,912.40 and 8,220.29

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Solution

The fourth proportional to 27,941.09, 41,912.40 and 8,220.29 is: 12,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.09 : 41,912.40 = 8,220.29 : x
  2. Step 2: Convert to fraction form
    27,941.09/41,912.40 = 8,220.29/x
  3. Step 3: Cross multiply
    27,941.09x = 41,912.40 × 8,220.29
  4. Step 4: Simplify right side
    27,941.09x = 344,532,082.60
  5. Step 5: Solve for x
    x = 344,532,082.60/27,941.09
  6. Step 6: Final answer
    x = 12,330.66

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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.