Home / 27,579.21-38,048.20-16,230.70

Finding the Fourth Proportional to 27,579.21, 38,048.20 and 16,230.70

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Solution

The fourth proportional to 27,579.21, 38,048.20 and 16,230.70 is: 22,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.21 : 38,048.20 = 16,230.70 : x
  2. Step 2: Convert to fraction form
    27,579.21/38,048.20 = 16,230.70/x
  3. Step 3: Cross multiply
    27,579.21x = 38,048.20 × 16,230.70
  4. Step 4: Simplify right side
    27,579.21x = 617,548,919.74
  5. Step 5: Solve for x
    x = 617,548,919.74/27,579.21
  6. Step 6: Final answer
    x = 22,391.83

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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.