Home / 27,579.60-41,320.80-22,622.40

Finding the Fourth Proportional to 27,579.60, 41,320.80 and 22,622.40

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Solution

The fourth proportional to 27,579.60, 41,320.80 and 22,622.40 is: 33,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.60 : 41,320.80 = 22,622.40 : x
  2. Step 2: Convert to fraction form
    27,579.60/41,320.80 = 22,622.40/x
  3. Step 3: Cross multiply
    27,579.60x = 41,320.80 × 22,622.40
  4. Step 4: Simplify right side
    27,579.60x = 934,775,665.92
  5. Step 5: Solve for x
    x = 934,775,665.92/27,579.60
  6. Step 6: Final answer
    x = 33,893.74

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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.