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Finding the Fourth Proportional to 17,255.70, 25,863.30 and 17,071.02

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Solution

The fourth proportional to 17,255.70, 25,863.30 and 17,071.02 is: 25,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.70 : 25,863.30 = 17,071.02 : x
  2. Step 2: Convert to fraction form
    17,255.70/25,863.30 = 17,071.02/x
  3. Step 3: Cross multiply
    17,255.70x = 25,863.30 × 17,071.02
  4. Step 4: Simplify right side
    17,255.70x = 441,512,911.57
  5. Step 5: Solve for x
    x = 441,512,911.57/17,255.70
  6. Step 6: Final answer
    x = 25,586.50

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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.