Home / 27,778.56-41,673.04-11,139.90

Finding the Fourth Proportional to 27,778.56, 41,673.04 and 11,139.90

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Solution

The fourth proportional to 27,778.56, 41,673.04 and 11,139.90 is: 16,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.56 : 41,673.04 = 11,139.90 : x
  2. Step 2: Convert to fraction form
    27,778.56/41,673.04 = 11,139.90/x
  3. Step 3: Cross multiply
    27,778.56x = 41,673.04 × 11,139.90
  4. Step 4: Simplify right side
    27,778.56x = 464,233,498.30
  5. Step 5: Solve for x
    x = 464,233,498.30/27,778.56
  6. Step 6: Final answer
    x = 16,711.94

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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.