Home / 19,132.20-26,339.85-15,091.65

Finding the Fourth Proportional to 19,132.20, 26,339.85 and 15,091.65

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Solution

The fourth proportional to 19,132.20, 26,339.85 and 15,091.65 is: 20,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.20 : 26,339.85 = 15,091.65 : x
  2. Step 2: Convert to fraction form
    19,132.20/26,339.85 = 15,091.65/x
  3. Step 3: Cross multiply
    19,132.20x = 26,339.85 × 15,091.65
  4. Step 4: Simplify right side
    19,132.20x = 397,511,797.25
  5. Step 5: Solve for x
    x = 397,511,797.25/19,132.20
  6. Step 6: Final answer
    x = 20,777.11

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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.