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Finding the Fourth Proportional to 17,492.96, 26,230.64 and 7,627.77

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Solution

The fourth proportional to 17,492.96, 26,230.64 and 7,627.77 is: 11,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,492.96 : 26,230.64 = 7,627.77 : x
  2. Step 2: Convert to fraction form
    17,492.96/26,230.64 = 7,627.77/x
  3. Step 3: Cross multiply
    17,492.96x = 26,230.64 × 7,627.77
  4. Step 4: Simplify right side
    17,492.96x = 200,081,250.73
  5. Step 5: Solve for x
    x = 200,081,250.73/17,492.96
  6. Step 6: Final answer
    x = 11,437.81

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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.