Home / 27,817.92-38,388.78-16,492.95

Finding the Fourth Proportional to 27,817.92, 38,388.78 and 16,492.95

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Solution

The fourth proportional to 27,817.92, 38,388.78 and 16,492.95 is: 22,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.92 : 38,388.78 = 16,492.95 : x
  2. Step 2: Convert to fraction form
    27,817.92/38,388.78 = 16,492.95/x
  3. Step 3: Cross multiply
    27,817.92x = 38,388.78 × 16,492.95
  4. Step 4: Simplify right side
    27,817.92x = 633,144,229.10
  5. Step 5: Solve for x
    x = 633,144,229.10/27,817.92
  6. Step 6: Final answer
    x = 22,760.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.