Home / 27,118.20-37,422-15,179.34

Finding the Fourth Proportional to 27,118.20, 37,422 and 15,179.34

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Solution

The fourth proportional to 27,118.20, 37,422 and 15,179.34 is: 20,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.20 : 37,422 = 15,179.34 : x
  2. Step 2: Convert to fraction form
    27,118.20/37,422 = 15,179.34/x
  3. Step 3: Cross multiply
    27,118.20x = 37,422 × 15,179.34
  4. Step 4: Simplify right side
    27,118.20x = 568,041,261.48
  5. Step 5: Solve for x
    x = 568,041,261.48/27,118.20
  6. Step 6: Final answer
    x = 20,946.86

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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.