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Finding the Fourth Proportional to 17,751.27, 26,581.37 and 17,225.72

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Solution

The fourth proportional to 17,751.27, 26,581.37 and 17,225.72 is: 25,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.27 : 26,581.37 = 17,225.72 : x
  2. Step 2: Convert to fraction form
    17,751.27/26,581.37 = 17,225.72/x
  3. Step 3: Cross multiply
    17,751.27x = 26,581.37 × 17,225.72
  4. Step 4: Simplify right side
    17,751.27x = 457,883,017.80
  5. Step 5: Solve for x
    x = 457,883,017.80/17,751.27
  6. Step 6: Final answer
    x = 25,794.38

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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.