Home / 17,091.20-25,466.88-15,228

Finding the Fourth Proportional to 17,091.20, 25,466.88 and 15,228

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Solution

The fourth proportional to 17,091.20, 25,466.88 and 15,228 is: 22,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,091.20 : 25,466.88 = 15,228 : x
  2. Step 2: Convert to fraction form
    17,091.20/25,466.88 = 15,228/x
  3. Step 3: Cross multiply
    17,091.20x = 25,466.88 × 15,228
  4. Step 4: Simplify right side
    17,091.20x = 387,809,648.64
  5. Step 5: Solve for x
    x = 387,809,648.64/17,091.20
  6. Step 6: Final answer
    x = 22,690.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.