Home / 27,057.60-40,579.20-8,337.60

Finding the Fourth Proportional to 27,057.60, 40,579.20 and 8,337.60

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Solution

The fourth proportional to 27,057.60, 40,579.20 and 8,337.60 is: 12,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.60 : 40,579.20 = 8,337.60 : x
  2. Step 2: Convert to fraction form
    27,057.60/40,579.20 = 8,337.60/x
  3. Step 3: Cross multiply
    27,057.60x = 40,579.20 × 8,337.60
  4. Step 4: Simplify right side
    27,057.60x = 338,333,137.92
  5. Step 5: Solve for x
    x = 338,333,137.92/27,057.60
  6. Step 6: Final answer
    x = 12,504.18

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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.