Home / 27,877.28-38,469.52-16,705.44

Finding the Fourth Proportional to 27,877.28, 38,469.52 and 16,705.44

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Solution

The fourth proportional to 27,877.28, 38,469.52 and 16,705.44 is: 23,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.28 : 38,469.52 = 16,705.44 : x
  2. Step 2: Convert to fraction form
    27,877.28/38,469.52 = 16,705.44/x
  3. Step 3: Cross multiply
    27,877.28x = 38,469.52 × 16,705.44
  4. Step 4: Simplify right side
    27,877.28x = 642,650,258.19
  5. Step 5: Solve for x
    x = 642,650,258.19/27,877.28
  6. Step 6: Final answer
    x = 23,052.83

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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.