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Finding the Fourth Proportional to 17,305.98, 25,981.29 and 14,856.54

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Solution

The fourth proportional to 17,305.98, 25,981.29 and 14,856.54 is: 22,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.98 : 25,981.29 = 14,856.54 : x
  2. Step 2: Convert to fraction form
    17,305.98/25,981.29 = 14,856.54/x
  3. Step 3: Cross multiply
    17,305.98x = 25,981.29 × 14,856.54
  4. Step 4: Simplify right side
    17,305.98x = 385,992,074.14
  5. Step 5: Solve for x
    x = 385,992,074.14/17,305.98
  6. Step 6: Final answer
    x = 22,303.97

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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.