Home / 27,817.80-38,388.61-16,492.85

Finding the Fourth Proportional to 27,817.80, 38,388.61 and 16,492.85

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Solution

The fourth proportional to 27,817.80, 38,388.61 and 16,492.85 is: 22,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.80 : 38,388.61 = 16,492.85 : x
  2. Step 2: Convert to fraction form
    27,817.80/38,388.61 = 16,492.85/x
  3. Step 3: Cross multiply
    27,817.80x = 38,388.61 × 16,492.85
  4. Step 4: Simplify right side
    27,817.80x = 633,137,586.44
  5. Step 5: Solve for x
    x = 633,137,586.44/27,817.80
  6. Step 6: Final answer
    x = 22,760.16

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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.