Home / 28,922.93-43,375.89-13,118.82

Finding the Fourth Proportional to 28,922.93, 43,375.89 and 13,118.82

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Solution

The fourth proportional to 28,922.93, 43,375.89 and 13,118.82 is: 19,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.93 : 43,375.89 = 13,118.82 : x
  2. Step 2: Convert to fraction form
    28,922.93/43,375.89 = 13,118.82/x
  3. Step 3: Cross multiply
    28,922.93x = 43,375.89 × 13,118.82
  4. Step 4: Simplify right side
    28,922.93x = 569,040,389.83
  5. Step 5: Solve for x
    x = 569,040,389.83/28,922.93
  6. Step 6: Final answer
    x = 19,674.37

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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.