Home / 28,424.97-42,619.23-11,796.48

Finding the Fourth Proportional to 28,424.97, 42,619.23 and 11,796.48

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Solution

The fourth proportional to 28,424.97, 42,619.23 and 11,796.48 is: 17,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.97 : 42,619.23 = 11,796.48 : x
  2. Step 2: Convert to fraction form
    28,424.97/42,619.23 = 11,796.48/x
  3. Step 3: Cross multiply
    28,424.97x = 42,619.23 × 11,796.48
  4. Step 4: Simplify right side
    28,424.97x = 502,756,894.31
  5. Step 5: Solve for x
    x = 502,756,894.31/28,424.97
  6. Step 6: Final answer
    x = 17,687.16

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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.