Home / 19,286.91-28,913.96-18,368.37

Finding the Fourth Proportional to 19,286.91, 28,913.96 and 18,368.37

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Solution

The fourth proportional to 19,286.91, 28,913.96 and 18,368.37 is: 27,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.91 : 28,913.96 = 18,368.37 : x
  2. Step 2: Convert to fraction form
    19,286.91/28,913.96 = 18,368.37/x
  3. Step 3: Cross multiply
    19,286.91x = 28,913.96 × 18,368.37
  4. Step 4: Simplify right side
    19,286.91x = 531,102,361.37
  5. Step 5: Solve for x
    x = 531,102,361.37/19,286.91
  6. Step 6: Final answer
    x = 27,536.93

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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.