Home / 27,118.90-37,422.39-15,180.22

Finding the Fourth Proportional to 27,118.90, 37,422.39 and 15,180.22

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Solution

The fourth proportional to 27,118.90, 37,422.39 and 15,180.22 is: 20,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.90 : 37,422.39 = 15,180.22 : x
  2. Step 2: Convert to fraction form
    27,118.90/37,422.39 = 15,180.22/x
  3. Step 3: Cross multiply
    27,118.90x = 37,422.39 × 15,180.22
  4. Step 4: Simplify right side
    27,118.90x = 568,080,113.13
  5. Step 5: Solve for x
    x = 568,080,113.13/27,118.90
  6. Step 6: Final answer
    x = 20,947.76

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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.