Home / 27,825.20-38,398.56-15,249.92

Finding the Fourth Proportional to 27,825.20, 38,398.56 and 15,249.92

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Solution

The fourth proportional to 27,825.20, 38,398.56 and 15,249.92 is: 21,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.20 : 38,398.56 = 15,249.92 : x
  2. Step 2: Convert to fraction form
    27,825.20/38,398.56 = 15,249.92/x
  3. Step 3: Cross multiply
    27,825.20x = 38,398.56 × 15,249.92
  4. Step 4: Simplify right side
    27,825.20x = 585,574,968.12
  5. Step 5: Solve for x
    x = 585,574,968.12/27,825.20
  6. Step 6: Final answer
    x = 21,044.77

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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.