Home / 27,115.22-37,420.66-15,179.30

Finding the Fourth Proportional to 27,115.22, 37,420.66 and 15,179.30

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Solution

The fourth proportional to 27,115.22, 37,420.66 and 15,179.30 is: 20,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.22 : 37,420.66 = 15,179.30 : x
  2. Step 2: Convert to fraction form
    27,115.22/37,420.66 = 15,179.30/x
  3. Step 3: Cross multiply
    27,115.22x = 37,420.66 × 15,179.30
  4. Step 4: Simplify right side
    27,115.22x = 568,019,199.29
  5. Step 5: Solve for x
    x = 568,019,199.29/27,115.22
  6. Step 6: Final answer
    x = 20,948.36

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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.