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Finding the Fourth Proportional to 17,926, 26,898.72 and 8,692

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Solution

The fourth proportional to 17,926, 26,898.72 and 8,692 is: 13,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926 : 26,898.72 = 8,692 : x
  2. Step 2: Convert to fraction form
    17,926/26,898.72 = 8,692/x
  3. Step 3: Cross multiply
    17,926x = 26,898.72 × 8,692
  4. Step 4: Simplify right side
    17,926x = 233,803,674.24
  5. Step 5: Solve for x
    x = 233,803,674.24/17,926
  6. Step 6: Final answer
    x = 13,042.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.