Home / 27,694.19-38,217.79-15,118.94

Finding the Fourth Proportional to 27,694.19, 38,217.79 and 15,118.94

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Solution

The fourth proportional to 27,694.19, 38,217.79 and 15,118.94 is: 20,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.19 : 38,217.79 = 15,118.94 : x
  2. Step 2: Convert to fraction form
    27,694.19/38,217.79 = 15,118.94/x
  3. Step 3: Cross multiply
    27,694.19x = 38,217.79 × 15,118.94
  4. Step 4: Simplify right side
    27,694.19x = 577,812,588.39
  5. Step 5: Solve for x
    x = 577,812,588.39/27,694.19
  6. Step 6: Final answer
    x = 20,864.03

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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.