Home / 27,825.62-38,399.40-16,338.31

Finding the Fourth Proportional to 27,825.62, 38,399.40 and 16,338.31

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Solution

The fourth proportional to 27,825.62, 38,399.40 and 16,338.31 is: 22,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.62 : 38,399.40 = 16,338.31 : x
  2. Step 2: Convert to fraction form
    27,825.62/38,399.40 = 16,338.31/x
  3. Step 3: Cross multiply
    27,825.62x = 38,399.40 × 16,338.31
  4. Step 4: Simplify right side
    27,825.62x = 627,381,301.01
  5. Step 5: Solve for x
    x = 627,381,301.01/27,825.62
  6. Step 6: Final answer
    x = 22,546.89

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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.