Home / 27,400.60-41,036.10-18,587.80

Finding the Fourth Proportional to 27,400.60, 41,036.10 and 18,587.80

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Solution

The fourth proportional to 27,400.60, 41,036.10 and 18,587.80 is: 27,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.60 : 41,036.10 = 18,587.80 : x
  2. Step 2: Convert to fraction form
    27,400.60/41,036.10 = 18,587.80/x
  3. Step 3: Cross multiply
    27,400.60x = 41,036.10 × 18,587.80
  4. Step 4: Simplify right side
    27,400.60x = 762,770,819.58
  5. Step 5: Solve for x
    x = 762,770,819.58/27,400.60
  6. Step 6: Final answer
    x = 27,837.74

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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.