Home / 27,385.74-41,078.61-9,855.12

Finding the Fourth Proportional to 27,385.74, 41,078.61 and 9,855.12

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Solution

The fourth proportional to 27,385.74, 41,078.61 and 9,855.12 is: 14,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,385.74 : 41,078.61 = 9,855.12 : x
  2. Step 2: Convert to fraction form
    27,385.74/41,078.61 = 9,855.12/x
  3. Step 3: Cross multiply
    27,385.74x = 41,078.61 × 9,855.12
  4. Step 4: Simplify right side
    27,385.74x = 404,834,630.98
  5. Step 5: Solve for x
    x = 404,834,630.98/27,385.74
  6. Step 6: Final answer
    x = 14,782.68

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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.