Home / 27,825.08-38,399.28-15,249.92

Finding the Fourth Proportional to 27,825.08, 38,399.28 and 15,249.92

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Solution

The fourth proportional to 27,825.08, 38,399.28 and 15,249.92 is: 21,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.08 : 38,399.28 = 15,249.92 : x
  2. Step 2: Convert to fraction form
    27,825.08/38,399.28 = 15,249.92/x
  3. Step 3: Cross multiply
    27,825.08x = 38,399.28 × 15,249.92
  4. Step 4: Simplify right side
    27,825.08x = 585,585,948.06
  5. Step 5: Solve for x
    x = 585,585,948.06/27,825.08
  6. Step 6: Final answer
    x = 21,045.26

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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.