Home / 28,706.46-43,011-17,589.96

Finding the Fourth Proportional to 28,706.46, 43,011 and 17,589.96

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Solution

The fourth proportional to 28,706.46, 43,011 and 17,589.96 is: 26,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.46 : 43,011 = 17,589.96 : x
  2. Step 2: Convert to fraction form
    28,706.46/43,011 = 17,589.96/x
  3. Step 3: Cross multiply
    28,706.46x = 43,011 × 17,589.96
  4. Step 4: Simplify right side
    28,706.46x = 756,561,769.56
  5. Step 5: Solve for x
    x = 756,561,769.56/28,706.46
  6. Step 6: Final answer
    x = 26,355.11

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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.