Home / 27,694.84-38,218.68-15,119.59

Finding the Fourth Proportional to 27,694.84, 38,218.68 and 15,119.59

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Solution

The fourth proportional to 27,694.84, 38,218.68 and 15,119.59 is: 20,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.84 : 38,218.68 = 15,119.59 : x
  2. Step 2: Convert to fraction form
    27,694.84/38,218.68 = 15,119.59/x
  3. Step 3: Cross multiply
    27,694.84x = 38,218.68 × 15,119.59
  4. Step 4: Simplify right side
    27,694.84x = 577,850,505.25
  5. Step 5: Solve for x
    x = 577,850,505.25/27,694.84
  6. Step 6: Final answer
    x = 20,864.92

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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.