Home / 28,983.75-43,462.97-10,257.57

Finding the Fourth Proportional to 28,983.75, 43,462.97 and 10,257.57

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Solution

The fourth proportional to 28,983.75, 43,462.97 and 10,257.57 is: 15,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.75 : 43,462.97 = 10,257.57 : x
  2. Step 2: Convert to fraction form
    28,983.75/43,462.97 = 10,257.57/x
  3. Step 3: Cross multiply
    28,983.75x = 43,462.97 × 10,257.57
  4. Step 4: Simplify right side
    28,983.75x = 445,824,405.90
  5. Step 5: Solve for x
    x = 445,824,405.90/28,983.75
  6. Step 6: Final answer
    x = 15,381.87

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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.