Home / 28,304.82-42,449.94-11,669.58

Finding the Fourth Proportional to 28,304.82, 42,449.94 and 11,669.58

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Solution

The fourth proportional to 28,304.82, 42,449.94 and 11,669.58 is: 17,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.82 : 42,449.94 = 11,669.58 : x
  2. Step 2: Convert to fraction form
    28,304.82/42,449.94 = 11,669.58/x
  3. Step 3: Cross multiply
    28,304.82x = 42,449.94 × 11,669.58
  4. Step 4: Simplify right side
    28,304.82x = 495,372,970.83
  5. Step 5: Solve for x
    x = 495,372,970.83/28,304.82
  6. Step 6: Final answer
    x = 17,501.36

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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.