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Finding the Fourth Proportional to 27,195.84, 40,806.72 and 9,673.92

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Solution

The fourth proportional to 27,195.84, 40,806.72 and 9,673.92 is: 14,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.84 : 40,806.72 = 9,673.92 : x
  2. Step 2: Convert to fraction form
    27,195.84/40,806.72 = 9,673.92/x
  3. Step 3: Cross multiply
    27,195.84x = 40,806.72 × 9,673.92
  4. Step 4: Simplify right side
    27,195.84x = 394,760,944.74
  5. Step 5: Solve for x
    x = 394,760,944.74/27,195.84
  6. Step 6: Final answer
    x = 14,515.49

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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.