Home / 28,617.12-39,496.62-16,515.48

Finding the Fourth Proportional to 28,617.12, 39,496.62 and 16,515.48

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Solution

The fourth proportional to 28,617.12, 39,496.62 and 16,515.48 is: 22,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.12 : 39,496.62 = 16,515.48 : x
  2. Step 2: Convert to fraction form
    28,617.12/39,496.62 = 16,515.48/x
  3. Step 3: Cross multiply
    28,617.12x = 39,496.62 × 16,515.48
  4. Step 4: Simplify right side
    28,617.12x = 652,305,637.68
  5. Step 5: Solve for x
    x = 652,305,637.68/28,617.12
  6. Step 6: Final answer
    x = 22,794.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.