Home / 27,824.37-38,397.65-15,249.12

Finding the Fourth Proportional to 27,824.37, 38,397.65 and 15,249.12

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Solution

The fourth proportional to 27,824.37, 38,397.65 and 15,249.12 is: 21,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.37 : 38,397.65 = 15,249.12 : x
  2. Step 2: Convert to fraction form
    27,824.37/38,397.65 = 15,249.12/x
  3. Step 3: Cross multiply
    27,824.37x = 38,397.65 × 15,249.12
  4. Step 4: Simplify right side
    27,824.37x = 585,530,296.32
  5. Step 5: Solve for x
    x = 585,530,296.32/27,824.37
  6. Step 6: Final answer
    x = 21,043.79

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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.