Home / 27,825.14-38,400.50-15,249.88

Finding the Fourth Proportional to 27,825.14, 38,400.50 and 15,249.88

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Solution

The fourth proportional to 27,825.14, 38,400.50 and 15,249.88 is: 21,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.14 : 38,400.50 = 15,249.88 : x
  2. Step 2: Convert to fraction form
    27,825.14/38,400.50 = 15,249.88/x
  3. Step 3: Cross multiply
    27,825.14x = 38,400.50 × 15,249.88
  4. Step 4: Simplify right side
    27,825.14x = 585,603,016.94
  5. Step 5: Solve for x
    x = 585,603,016.94/27,825.14
  6. Step 6: Final answer
    x = 21,045.82

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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.