Home / 19,438.80-29,150.96-15,286.92

Finding the Fourth Proportional to 19,438.80, 29,150.96 and 15,286.92

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Solution

The fourth proportional to 19,438.80, 29,150.96 and 15,286.92 is: 22,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.80 : 29,150.96 = 15,286.92 : x
  2. Step 2: Convert to fraction form
    19,438.80/29,150.96 = 15,286.92/x
  3. Step 3: Cross multiply
    19,438.80x = 29,150.96 × 15,286.92
  4. Step 4: Simplify right side
    19,438.80x = 445,628,393.44
  5. Step 5: Solve for x
    x = 445,628,393.44/19,438.80
  6. Step 6: Final answer
    x = 22,924.69

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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.