Home / 27,977.22-38,609.41-15,231.24

Finding the Fourth Proportional to 27,977.22, 38,609.41 and 15,231.24

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Solution

The fourth proportional to 27,977.22, 38,609.41 and 15,231.24 is: 21,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.22 : 38,609.41 = 15,231.24 : x
  2. Step 2: Convert to fraction form
    27,977.22/38,609.41 = 15,231.24/x
  3. Step 3: Cross multiply
    27,977.22x = 38,609.41 × 15,231.24
  4. Step 4: Simplify right side
    27,977.22x = 588,069,180.45
  5. Step 5: Solve for x
    x = 588,069,180.45/27,977.22
  6. Step 6: Final answer
    x = 21,019.57

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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.