Home / 27,928.93-38,542.11-15,182.12

Finding the Fourth Proportional to 27,928.93, 38,542.11 and 15,182.12

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Solution

The fourth proportional to 27,928.93, 38,542.11 and 15,182.12 is: 20,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.93 : 38,542.11 = 15,182.12 : x
  2. Step 2: Convert to fraction form
    27,928.93/38,542.11 = 15,182.12/x
  3. Step 3: Cross multiply
    27,928.93x = 38,542.11 × 15,182.12
  4. Step 4: Simplify right side
    27,928.93x = 585,150,746.36
  5. Step 5: Solve for x
    x = 585,150,746.36/27,928.93
  6. Step 6: Final answer
    x = 20,951.42

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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.