Home / 17,087.90-25,631.85-15,662.30

Finding the Fourth Proportional to 17,087.90, 25,631.85 and 15,662.30

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Solution

The fourth proportional to 17,087.90, 25,631.85 and 15,662.30 is: 23,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.90 : 25,631.85 = 15,662.30 : x
  2. Step 2: Convert to fraction form
    17,087.90/25,631.85 = 15,662.30/x
  3. Step 3: Cross multiply
    17,087.90x = 25,631.85 × 15,662.30
  4. Step 4: Simplify right side
    17,087.90x = 401,453,724.26
  5. Step 5: Solve for x
    x = 401,453,724.26/17,087.90
  6. Step 6: Final answer
    x = 23,493.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.