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Finding the Fourth Proportional to 17,841.96, 26,574.48 and 16,905.24

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Solution

The fourth proportional to 17,841.96, 26,574.48 and 16,905.24 is: 25,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,841.96 : 26,574.48 = 16,905.24 : x
  2. Step 2: Convert to fraction form
    17,841.96/26,574.48 = 16,905.24/x
  3. Step 3: Cross multiply
    17,841.96x = 26,574.48 × 16,905.24
  4. Step 4: Simplify right side
    17,841.96x = 449,247,962.28
  5. Step 5: Solve for x
    x = 449,247,962.28/17,841.96
  6. Step 6: Final answer
    x = 25,179.29

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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.