Home / 28,765.77-39,696.66-16,019.11

Finding the Fourth Proportional to 28,765.77, 39,696.66 and 16,019.11

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Solution

The fourth proportional to 28,765.77, 39,696.66 and 16,019.11 is: 22,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.77 : 39,696.66 = 16,019.11 : x
  2. Step 2: Convert to fraction form
    28,765.77/39,696.66 = 16,019.11/x
  3. Step 3: Cross multiply
    28,765.77x = 39,696.66 × 16,019.11
  4. Step 4: Simplify right side
    28,765.77x = 635,905,083.08
  5. Step 5: Solve for x
    x = 635,905,083.08/28,765.77
  6. Step 6: Final answer
    x = 22,106.32

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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.