Home / 19,682.83-29,409.04-18,993.79

Finding the Fourth Proportional to 19,682.83, 29,409.04 and 18,993.79

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Solution

The fourth proportional to 19,682.83, 29,409.04 and 18,993.79 is: 28,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.83 : 29,409.04 = 18,993.79 : x
  2. Step 2: Convert to fraction form
    19,682.83/29,409.04 = 18,993.79/x
  3. Step 3: Cross multiply
    19,682.83x = 29,409.04 × 18,993.79
  4. Step 4: Simplify right side
    19,682.83x = 558,589,129.86
  5. Step 5: Solve for x
    x = 558,589,129.86/19,682.83
  6. Step 6: Final answer
    x = 28,379.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.