Home / 20,039.42-27,637.62-15,015.44

Finding the Fourth Proportional to 20,039.42, 27,637.62 and 15,015.44

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Solution

The fourth proportional to 20,039.42, 27,637.62 and 15,015.44 is: 20,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.42 : 27,637.62 = 15,015.44 : x
  2. Step 2: Convert to fraction form
    20,039.42/27,637.62 = 15,015.44/x
  3. Step 3: Cross multiply
    20,039.42x = 27,637.62 × 15,015.44
  4. Step 4: Simplify right side
    20,039.42x = 414,991,024.85
  5. Step 5: Solve for x
    x = 414,991,024.85/20,039.42
  6. Step 6: Final answer
    x = 20,708.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.