Home / 28,954.36-43,431.99-11,424.03

Finding the Fourth Proportional to 28,954.36, 43,431.99 and 11,424.03

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Solution

The fourth proportional to 28,954.36, 43,431.99 and 11,424.03 is: 17,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.36 : 43,431.99 = 11,424.03 : x
  2. Step 2: Convert to fraction form
    28,954.36/43,431.99 = 11,424.03/x
  3. Step 3: Cross multiply
    28,954.36x = 43,431.99 × 11,424.03
  4. Step 4: Simplify right side
    28,954.36x = 496,168,356.72
  5. Step 5: Solve for x
    x = 496,168,356.72/28,954.36
  6. Step 6: Final answer
    x = 17,136.23

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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.