Home / 27,972.44-38,588.93-16,635.58

Finding the Fourth Proportional to 27,972.44, 38,588.93 and 16,635.58

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Solution

The fourth proportional to 27,972.44, 38,588.93 and 16,635.58 is: 22,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.44 : 38,588.93 = 16,635.58 : x
  2. Step 2: Convert to fraction form
    27,972.44/38,588.93 = 16,635.58/x
  3. Step 3: Cross multiply
    27,972.44x = 38,588.93 × 16,635.58
  4. Step 4: Simplify right side
    27,972.44x = 641,949,161.65
  5. Step 5: Solve for x
    x = 641,949,161.65/27,972.44
  6. Step 6: Final answer
    x = 22,949.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.