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Finding the Fourth Proportional to 17,998.90, 26,966.64 and 16,041.94

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Solution

The fourth proportional to 17,998.90, 26,966.64 and 16,041.94 is: 24,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.90 : 26,966.64 = 16,041.94 : x
  2. Step 2: Convert to fraction form
    17,998.90/26,966.64 = 16,041.94/x
  3. Step 3: Cross multiply
    17,998.90x = 26,966.64 × 16,041.94
  4. Step 4: Simplify right side
    17,998.90x = 432,597,220.88
  5. Step 5: Solve for x
    x = 432,597,220.88/17,998.90
  6. Step 6: Final answer
    x = 24,034.65

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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.