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Finding the Fourth Proportional to 17,144.08, 25,715.85 and 5,457.13

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Solution

The fourth proportional to 17,144.08, 25,715.85 and 5,457.13 is: 8,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.08 : 25,715.85 = 5,457.13 : x
  2. Step 2: Convert to fraction form
    17,144.08/25,715.85 = 5,457.13/x
  3. Step 3: Cross multiply
    17,144.08x = 25,715.85 × 5,457.13
  4. Step 4: Simplify right side
    17,144.08x = 140,334,736.51
  5. Step 5: Solve for x
    x = 140,334,736.51/17,144.08
  6. Step 6: Final answer
    x = 8,185.61

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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.