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Finding the Fourth Proportional to 17,173.60, 25,897.04 and 16,939.41

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Solution

The fourth proportional to 17,173.60, 25,897.04 and 16,939.41 is: 25,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.60 : 25,897.04 = 16,939.41 : x
  2. Step 2: Convert to fraction form
    17,173.60/25,897.04 = 16,939.41/x
  3. Step 3: Cross multiply
    17,173.60x = 25,897.04 × 16,939.41
  4. Step 4: Simplify right side
    17,173.60x = 438,680,578.35
  5. Step 5: Solve for x
    x = 438,680,578.35/17,173.60
  6. Step 6: Final answer
    x = 25,543.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.