Home / 27,982.64-38,616-16,049.18

Finding the Fourth Proportional to 27,982.64, 38,616 and 16,049.18

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Solution

The fourth proportional to 27,982.64, 38,616 and 16,049.18 is: 22,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.64 : 38,616 = 16,049.18 : x
  2. Step 2: Convert to fraction form
    27,982.64/38,616 = 16,049.18/x
  3. Step 3: Cross multiply
    27,982.64x = 38,616 × 16,049.18
  4. Step 4: Simplify right side
    27,982.64x = 619,755,134.88
  5. Step 5: Solve for x
    x = 619,755,134.88/27,982.64
  6. Step 6: Final answer
    x = 22,147.84

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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.