Home / 28,828.66-39,782.03-16,083.18

Finding the Fourth Proportional to 28,828.66, 39,782.03 and 16,083.18

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Solution

The fourth proportional to 28,828.66, 39,782.03 and 16,083.18 is: 22,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.66 : 39,782.03 = 16,083.18 : x
  2. Step 2: Convert to fraction form
    28,828.66/39,782.03 = 16,083.18/x
  3. Step 3: Cross multiply
    28,828.66x = 39,782.03 × 16,083.18
  4. Step 4: Simplify right side
    28,828.66x = 639,821,350.35
  5. Step 5: Solve for x
    x = 639,821,350.35/28,828.66
  6. Step 6: Final answer
    x = 22,193.93

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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.