Home / 28,954.61-43,432.37-11,424.29

Finding the Fourth Proportional to 28,954.61, 43,432.37 and 11,424.29

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Solution

The fourth proportional to 28,954.61, 43,432.37 and 11,424.29 is: 17,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.61 : 43,432.37 = 11,424.29 : x
  2. Step 2: Convert to fraction form
    28,954.61/43,432.37 = 11,424.29/x
  3. Step 3: Cross multiply
    28,954.61x = 43,432.37 × 11,424.29
  4. Step 4: Simplify right side
    28,954.61x = 496,183,715.98
  5. Step 5: Solve for x
    x = 496,183,715.98/28,954.61
  6. Step 6: Final answer
    x = 17,136.61

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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.