Home / 27,973.39-38,604.09-15,398.14

Finding the Fourth Proportional to 27,973.39, 38,604.09 and 15,398.14

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Solution

The fourth proportional to 27,973.39, 38,604.09 and 15,398.14 is: 21,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.39 : 38,604.09 = 15,398.14 : x
  2. Step 2: Convert to fraction form
    27,973.39/38,604.09 = 15,398.14/x
  3. Step 3: Cross multiply
    27,973.39x = 38,604.09 × 15,398.14
  4. Step 4: Simplify right side
    27,973.39x = 594,431,182.39
  5. Step 5: Solve for x
    x = 594,431,182.39/27,973.39
  6. Step 6: Final answer
    x = 21,249.88

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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.