Home / 28,140.82-42,190.27-17,044.83

Finding the Fourth Proportional to 28,140.82, 42,190.27 and 17,044.83

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Solution

The fourth proportional to 28,140.82, 42,190.27 and 17,044.83 is: 25,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.82 : 42,190.27 = 17,044.83 : x
  2. Step 2: Convert to fraction form
    28,140.82/42,190.27 = 17,044.83/x
  3. Step 3: Cross multiply
    28,140.82x = 42,190.27 × 17,044.83
  4. Step 4: Simplify right side
    28,140.82x = 719,125,937.19
  5. Step 5: Solve for x
    x = 719,125,937.19/28,140.82
  6. Step 6: Final answer
    x = 25,554.55

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1.5x scale

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.