Home / 28,506.62-42,716.16-17,396.66

Finding the Fourth Proportional to 28,506.62, 42,716.16 and 17,396.66

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Solution

The fourth proportional to 28,506.62, 42,716.16 and 17,396.66 is: 26,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.62 : 42,716.16 = 17,396.66 : x
  2. Step 2: Convert to fraction form
    28,506.62/42,716.16 = 17,396.66/x
  3. Step 3: Cross multiply
    28,506.62x = 42,716.16 × 17,396.66
  4. Step 4: Simplify right side
    28,506.62x = 743,118,512.03
  5. Step 5: Solve for x
    x = 743,118,512.03/28,506.62
  6. Step 6: Final answer
    x = 26,068.28

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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.