Home / 19,778.76-27,294.39-10,826.03

Finding the Fourth Proportional to 19,778.76, 27,294.39 and 10,826.03

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Solution

The fourth proportional to 19,778.76, 27,294.39 and 10,826.03 is: 14,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.76 : 27,294.39 = 10,826.03 : x
  2. Step 2: Convert to fraction form
    19,778.76/27,294.39 = 10,826.03/x
  3. Step 3: Cross multiply
    19,778.76x = 27,294.39 × 10,826.03
  4. Step 4: Simplify right side
    19,778.76x = 295,489,884.97
  5. Step 5: Solve for x
    x = 295,489,884.97/19,778.76
  6. Step 6: Final answer
    x = 14,939.76

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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.