Home / 28,265.62-42,342.99-16,394.45

Finding the Fourth Proportional to 28,265.62, 42,342.99 and 16,394.45

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Solution

The fourth proportional to 28,265.62, 42,342.99 and 16,394.45 is: 24,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.62 : 42,342.99 = 16,394.45 : x
  2. Step 2: Convert to fraction form
    28,265.62/42,342.99 = 16,394.45/x
  3. Step 3: Cross multiply
    28,265.62x = 42,342.99 × 16,394.45
  4. Step 4: Simplify right side
    28,265.62x = 694,190,314.35
  5. Step 5: Solve for x
    x = 694,190,314.35/28,265.62
  6. Step 6: Final answer
    x = 24,559.53

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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.