Home / 27,775.44-38,290.24-19,803.83

Finding the Fourth Proportional to 27,775.44, 38,290.24 and 19,803.83

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Solution

The fourth proportional to 27,775.44, 38,290.24 and 19,803.83 is: 27,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.44 : 38,290.24 = 19,803.83 : x
  2. Step 2: Convert to fraction form
    27,775.44/38,290.24 = 19,803.83/x
  3. Step 3: Cross multiply
    27,775.44x = 38,290.24 × 19,803.83
  4. Step 4: Simplify right side
    27,775.44x = 758,293,162.66
  5. Step 5: Solve for x
    x = 758,293,162.66/27,775.44
  6. Step 6: Final answer
    x = 27,300.85

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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.