Home / 28,569.22-42,839.79-11,924.26

Finding the Fourth Proportional to 28,569.22, 42,839.79 and 11,924.26

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Solution

The fourth proportional to 28,569.22, 42,839.79 and 11,924.26 is: 17,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.22 : 42,839.79 = 11,924.26 : x
  2. Step 2: Convert to fraction form
    28,569.22/42,839.79 = 11,924.26/x
  3. Step 3: Cross multiply
    28,569.22x = 42,839.79 × 11,924.26
  4. Step 4: Simplify right side
    28,569.22x = 510,832,794.31
  5. Step 5: Solve for x
    x = 510,832,794.31/28,569.22
  6. Step 6: Final answer
    x = 17,880.53

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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.