Home / 17,405.56-26,104.20-8,039.80

Finding the Fourth Proportional to 17,405.56, 26,104.20 and 8,039.80

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Solution

The fourth proportional to 17,405.56, 26,104.20 and 8,039.80 is: 12,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.56 : 26,104.20 = 8,039.80 : x
  2. Step 2: Convert to fraction form
    17,405.56/26,104.20 = 8,039.80/x
  3. Step 3: Cross multiply
    17,405.56x = 26,104.20 × 8,039.80
  4. Step 4: Simplify right side
    17,405.56x = 209,872,547.16
  5. Step 5: Solve for x
    x = 209,872,547.16/17,405.56
  6. Step 6: Final answer
    x = 12,057.79

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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.