Home / 27,930.82-38,544.07-15,184.32

Finding the Fourth Proportional to 27,930.82, 38,544.07 and 15,184.32

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Solution

The fourth proportional to 27,930.82, 38,544.07 and 15,184.32 is: 20,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.82 : 38,544.07 = 15,184.32 : x
  2. Step 2: Convert to fraction form
    27,930.82/38,544.07 = 15,184.32/x
  3. Step 3: Cross multiply
    27,930.82x = 38,544.07 × 15,184.32
  4. Step 4: Simplify right side
    27,930.82x = 585,265,310.48
  5. Step 5: Solve for x
    x = 585,265,310.48/27,930.82
  6. Step 6: Final answer
    x = 20,954.11

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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.