Home / 28,789.85-39,442.32-27,711.25

Finding the Fourth Proportional to 28,789.85, 39,442.32 and 27,711.25

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Solution

The fourth proportional to 28,789.85, 39,442.32 and 27,711.25 is: 37,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.85 : 39,442.32 = 27,711.25 : x
  2. Step 2: Convert to fraction form
    28,789.85/39,442.32 = 27,711.25/x
  3. Step 3: Cross multiply
    28,789.85x = 39,442.32 × 27,711.25
  4. Step 4: Simplify right side
    28,789.85x = 1,092,995,891.49
  5. Step 5: Solve for x
    x = 1,092,995,891.49/28,789.85
  6. Step 6: Final answer
    x = 37,964.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.