Home / 27,605.80-41,408.70-19,295.20

Finding the Fourth Proportional to 27,605.80, 41,408.70 and 19,295.20

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Solution

The fourth proportional to 27,605.80, 41,408.70 and 19,295.20 is: 28,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.80 : 41,408.70 = 19,295.20 : x
  2. Step 2: Convert to fraction form
    27,605.80/41,408.70 = 19,295.20/x
  3. Step 3: Cross multiply
    27,605.80x = 41,408.70 × 19,295.20
  4. Step 4: Simplify right side
    27,605.80x = 798,989,148.24
  5. Step 5: Solve for x
    x = 798,989,148.24/27,605.80
  6. Step 6: Final answer
    x = 28,942.80

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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.