Home / 28,703.34-43,074.87-11,173.26

Finding the Fourth Proportional to 28,703.34, 43,074.87 and 11,173.26

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Solution

The fourth proportional to 28,703.34, 43,074.87 and 11,173.26 is: 16,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.34 : 43,074.87 = 11,173.26 : x
  2. Step 2: Convert to fraction form
    28,703.34/43,074.87 = 11,173.26/x
  3. Step 3: Cross multiply
    28,703.34x = 43,074.87 × 11,173.26
  4. Step 4: Simplify right side
    28,703.34x = 481,286,721.98
  5. Step 5: Solve for x
    x = 481,286,721.98/28,703.34
  6. Step 6: Final answer
    x = 16,767.62

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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.