Home / 20,039.85-27,642.92-13,233.92

Finding the Fourth Proportional to 20,039.85, 27,642.92 and 13,233.92

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Solution

The fourth proportional to 20,039.85, 27,642.92 and 13,233.92 is: 18,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.85 : 27,642.92 = 13,233.92 : x
  2. Step 2: Convert to fraction form
    20,039.85/27,642.92 = 13,233.92/x
  3. Step 3: Cross multiply
    20,039.85x = 27,642.92 × 13,233.92
  4. Step 4: Simplify right side
    20,039.85x = 365,824,194.78
  5. Step 5: Solve for x
    x = 365,824,194.78/20,039.85
  6. Step 6: Final answer
    x = 18,254.84

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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.