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Finding the Fourth Proportional to 17,161.50, 25,628.03 and 16,975.94

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Solution

The fourth proportional to 17,161.50, 25,628.03 and 16,975.94 is: 25,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.50 : 25,628.03 = 16,975.94 : x
  2. Step 2: Convert to fraction form
    17,161.50/25,628.03 = 16,975.94/x
  3. Step 3: Cross multiply
    17,161.50x = 25,628.03 × 16,975.94
  4. Step 4: Simplify right side
    17,161.50x = 435,059,686.58
  5. Step 5: Solve for x
    x = 435,059,686.58/17,161.50
  6. Step 6: Final answer
    x = 25,350.91

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1.5x scale

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.