Home / 27,909.20-41,896.20-16,828.40

Finding the Fourth Proportional to 27,909.20, 41,896.20 and 16,828.40

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Solution

The fourth proportional to 27,909.20, 41,896.20 and 16,828.40 is: 25,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.20 : 41,896.20 = 16,828.40 : x
  2. Step 2: Convert to fraction form
    27,909.20/41,896.20 = 16,828.40/x
  3. Step 3: Cross multiply
    27,909.20x = 41,896.20 × 16,828.40
  4. Step 4: Simplify right side
    27,909.20x = 705,046,012.08
  5. Step 5: Solve for x
    x = 705,046,012.08/27,909.20
  6. Step 6: Final answer
    x = 25,262.14

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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.