Home / 28,212.37-42,318.15-9,496.51

Finding the Fourth Proportional to 28,212.37, 42,318.15 and 9,496.51

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Solution

The fourth proportional to 28,212.37, 42,318.15 and 9,496.51 is: 14,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.37 : 42,318.15 = 9,496.51 : x
  2. Step 2: Convert to fraction form
    28,212.37/42,318.15 = 9,496.51/x
  3. Step 3: Cross multiply
    28,212.37x = 42,318.15 × 9,496.51
  4. Step 4: Simplify right side
    28,212.37x = 401,874,734.66
  5. Step 5: Solve for x
    x = 401,874,734.66/28,212.37
  6. Step 6: Final answer
    x = 14,244.63

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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.