Home / 27,825.06-38,399.07-15,249

Finding the Fourth Proportional to 27,825.06, 38,399.07 and 15,249

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Solution

The fourth proportional to 27,825.06, 38,399.07 and 15,249 is: 21,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.06 : 38,399.07 = 15,249 : x
  2. Step 2: Convert to fraction form
    27,825.06/38,399.07 = 15,249/x
  3. Step 3: Cross multiply
    27,825.06x = 38,399.07 × 15,249
  4. Step 4: Simplify right side
    27,825.06x = 585,547,418.43
  5. Step 5: Solve for x
    x = 585,547,418.43/27,825.06
  6. Step 6: Final answer
    x = 21,043.89

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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.