Home / 27,824.52-38,397.42-15,249.28

Finding the Fourth Proportional to 27,824.52, 38,397.42 and 15,249.28

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Solution

The fourth proportional to 27,824.52, 38,397.42 and 15,249.28 is: 21,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.52 : 38,397.42 = 15,249.28 : x
  2. Step 2: Convert to fraction form
    27,824.52/38,397.42 = 15,249.28/x
  3. Step 3: Cross multiply
    27,824.52x = 38,397.42 × 15,249.28
  4. Step 4: Simplify right side
    27,824.52x = 585,533,008.86
  5. Step 5: Solve for x
    x = 585,533,008.86/27,824.52
  6. Step 6: Final answer
    x = 21,043.78

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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.