Home / 27,057.97-37,340.81-15,121.34

Finding the Fourth Proportional to 27,057.97, 37,340.81 and 15,121.34

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Solution

The fourth proportional to 27,057.97, 37,340.81 and 15,121.34 is: 20,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.97 : 37,340.81 = 15,121.34 : x
  2. Step 2: Convert to fraction form
    27,057.97/37,340.81 = 15,121.34/x
  3. Step 3: Cross multiply
    27,057.97x = 37,340.81 × 15,121.34
  4. Step 4: Simplify right side
    27,057.97x = 564,643,228.35
  5. Step 5: Solve for x
    x = 564,643,228.35/27,057.97
  6. Step 6: Final answer
    x = 20,867.91

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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.