Home / 27,311.91-37,694.06-15,377.57

Finding the Fourth Proportional to 27,311.91, 37,694.06 and 15,377.57

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Solution

The fourth proportional to 27,311.91, 37,694.06 and 15,377.57 is: 21,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.91 : 37,694.06 = 15,377.57 : x
  2. Step 2: Convert to fraction form
    27,311.91/37,694.06 = 15,377.57/x
  3. Step 3: Cross multiply
    27,311.91x = 37,694.06 × 15,377.57
  4. Step 4: Simplify right side
    27,311.91x = 579,643,046.23
  5. Step 5: Solve for x
    x = 579,643,046.23/27,311.91
  6. Step 6: Final answer
    x = 21,223.09

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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.