Home / 27,760.40-41,640.60-16,103.60

Finding the Fourth Proportional to 27,760.40, 41,640.60 and 16,103.60

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Solution

The fourth proportional to 27,760.40, 41,640.60 and 16,103.60 is: 24,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.40 : 41,640.60 = 16,103.60 : x
  2. Step 2: Convert to fraction form
    27,760.40/41,640.60 = 16,103.60/x
  3. Step 3: Cross multiply
    27,760.40x = 41,640.60 × 16,103.60
  4. Step 4: Simplify right side
    27,760.40x = 670,563,566.16
  5. Step 5: Solve for x
    x = 670,563,566.16/27,760.40
  6. Step 6: Final answer
    x = 24,155.40

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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.