Home / 27,311.68-37,684.74-15,375.52

Finding the Fourth Proportional to 27,311.68, 37,684.74 and 15,375.52

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Solution

The fourth proportional to 27,311.68, 37,684.74 and 15,375.52 is: 21,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.68 : 37,684.74 = 15,375.52 : x
  2. Step 2: Convert to fraction form
    27,311.68/37,684.74 = 15,375.52/x
  3. Step 3: Cross multiply
    27,311.68x = 37,684.74 × 15,375.52
  4. Step 4: Simplify right side
    27,311.68x = 579,422,473.56
  5. Step 5: Solve for x
    x = 579,422,473.56/27,311.68
  6. Step 6: Final answer
    x = 21,215.19

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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.