Home / 27,777.56-41,671.54-11,138.90

Finding the Fourth Proportional to 27,777.56, 41,671.54 and 11,138.90

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Solution

The fourth proportional to 27,777.56, 41,671.54 and 11,138.90 is: 16,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.56 : 41,671.54 = 11,138.90 : x
  2. Step 2: Convert to fraction form
    27,777.56/41,671.54 = 11,138.90/x
  3. Step 3: Cross multiply
    27,777.56x = 41,671.54 × 11,138.90
  4. Step 4: Simplify right side
    27,777.56x = 464,175,016.08
  5. Step 5: Solve for x
    x = 464,175,016.08/27,777.56
  6. Step 6: Final answer
    x = 16,710.43

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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.