Home / 27,119.60-40,600.20-19,343.60

Finding the Fourth Proportional to 27,119.60, 40,600.20 and 19,343.60

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Solution

The fourth proportional to 27,119.60, 40,600.20 and 19,343.60 is: 28,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.60 : 40,600.20 = 19,343.60 : x
  2. Step 2: Convert to fraction form
    27,119.60/40,600.20 = 19,343.60/x
  3. Step 3: Cross multiply
    27,119.60x = 40,600.20 × 19,343.60
  4. Step 4: Simplify right side
    27,119.60x = 785,354,028.72
  5. Step 5: Solve for x
    x = 785,354,028.72/27,119.60
  6. Step 6: Final answer
    x = 28,958.91

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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.