Home / 27,930.80-38,544.66-15,184.08

Finding the Fourth Proportional to 27,930.80, 38,544.66 and 15,184.08

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Solution

The fourth proportional to 27,930.80, 38,544.66 and 15,184.08 is: 20,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.80 : 38,544.66 = 15,184.08 : x
  2. Step 2: Convert to fraction form
    27,930.80/38,544.66 = 15,184.08/x
  3. Step 3: Cross multiply
    27,930.80x = 38,544.66 × 15,184.08
  4. Step 4: Simplify right side
    27,930.80x = 585,265,201.01
  5. Step 5: Solve for x
    x = 585,265,201.01/27,930.80
  6. Step 6: Final answer
    x = 20,954.12

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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.