Home / 18,441.18-27,635.85-13,827.42

Finding the Fourth Proportional to 18,441.18, 27,635.85 and 13,827.42

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Solution

The fourth proportional to 18,441.18, 27,635.85 and 13,827.42 is: 20,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.18 : 27,635.85 = 13,827.42 : x
  2. Step 2: Convert to fraction form
    18,441.18/27,635.85 = 13,827.42/x
  3. Step 3: Cross multiply
    18,441.18x = 27,635.85 × 13,827.42
  4. Step 4: Simplify right side
    18,441.18x = 382,132,505.01
  5. Step 5: Solve for x
    x = 382,132,505.01/18,441.18
  6. Step 6: Final answer
    x = 20,721.69

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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.