Home / 27,946.12-41,912.68-8,219.40

Finding the Fourth Proportional to 27,946.12, 41,912.68 and 8,219.40

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Solution

The fourth proportional to 27,946.12, 41,912.68 and 8,219.40 is: 12,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.12 : 41,912.68 = 8,219.40 : x
  2. Step 2: Convert to fraction form
    27,946.12/41,912.68 = 8,219.40/x
  3. Step 3: Cross multiply
    27,946.12x = 41,912.68 × 8,219.40
  4. Step 4: Simplify right side
    27,946.12x = 344,497,081.99
  5. Step 5: Solve for x
    x = 344,497,081.99/27,946.12
  6. Step 6: Final answer
    x = 12,327.19

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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.