Home / 27,057.88-37,339.78-15,121.22

Finding the Fourth Proportional to 27,057.88, 37,339.78 and 15,121.22

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Solution

The fourth proportional to 27,057.88, 37,339.78 and 15,121.22 is: 20,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.88 : 37,339.78 = 15,121.22 : x
  2. Step 2: Convert to fraction form
    27,057.88/37,339.78 = 15,121.22/x
  3. Step 3: Cross multiply
    27,057.88x = 37,339.78 × 15,121.22
  4. Step 4: Simplify right side
    27,057.88x = 564,622,803.63
  5. Step 5: Solve for x
    x = 564,622,803.63/27,057.88
  6. Step 6: Final answer
    x = 20,867.22

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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.