Home / 28,455.01-39,227.11-22,394.75

Finding the Fourth Proportional to 28,455.01, 39,227.11 and 22,394.75

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Solution

The fourth proportional to 28,455.01, 39,227.11 and 22,394.75 is: 30,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455.01 : 39,227.11 = 22,394.75 : x
  2. Step 2: Convert to fraction form
    28,455.01/39,227.11 = 22,394.75/x
  3. Step 3: Cross multiply
    28,455.01x = 39,227.11 × 22,394.75
  4. Step 4: Simplify right side
    28,455.01x = 878,481,321.67
  5. Step 5: Solve for x
    x = 878,481,321.67/28,455.01
  6. Step 6: Final answer
    x = 30,872.64

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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.