Home / 17,451.32-26,149-16,990.04

Finding the Fourth Proportional to 17,451.32, 26,149 and 16,990.04

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Solution

The fourth proportional to 17,451.32, 26,149 and 16,990.04 is: 25,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,451.32 : 26,149 = 16,990.04 : x
  2. Step 2: Convert to fraction form
    17,451.32/26,149 = 16,990.04/x
  3. Step 3: Cross multiply
    17,451.32x = 26,149 × 16,990.04
  4. Step 4: Simplify right side
    17,451.32x = 444,272,555.96
  5. Step 5: Solve for x
    x = 444,272,555.96/17,451.32
  6. Step 6: Final answer
    x = 25,457.82

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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.