Home / 28,093.39-42,112.44-11,465.11

Finding the Fourth Proportional to 28,093.39, 42,112.44 and 11,465.11

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Solution

The fourth proportional to 28,093.39, 42,112.44 and 11,465.11 is: 17,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.39 : 42,112.44 = 11,465.11 : x
  2. Step 2: Convert to fraction form
    28,093.39/42,112.44 = 11,465.11/x
  3. Step 3: Cross multiply
    28,093.39x = 42,112.44 × 11,465.11
  4. Step 4: Simplify right side
    28,093.39x = 482,823,756.97
  5. Step 5: Solve for x
    x = 482,823,756.97/28,093.39
  6. Step 6: Final answer
    x = 17,186.38

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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.