Home / 28,467.09-42,696.24-9,742.82

Finding the Fourth Proportional to 28,467.09, 42,696.24 and 9,742.82

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Solution

The fourth proportional to 28,467.09, 42,696.24 and 9,742.82 is: 14,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.09 : 42,696.24 = 9,742.82 : x
  2. Step 2: Convert to fraction form
    28,467.09/42,696.24 = 9,742.82/x
  3. Step 3: Cross multiply
    28,467.09x = 42,696.24 × 9,742.82
  4. Step 4: Simplify right side
    28,467.09x = 415,981,887.74
  5. Step 5: Solve for x
    x = 415,981,887.74/28,467.09
  6. Step 6: Final answer
    x = 14,612.73

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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.