Home / 19,231.86-28,869.66-17,963.40

Finding the Fourth Proportional to 19,231.86, 28,869.66 and 17,963.40

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Solution

The fourth proportional to 19,231.86, 28,869.66 and 17,963.40 is: 26,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.86 : 28,869.66 = 17,963.40 : x
  2. Step 2: Convert to fraction form
    19,231.86/28,869.66 = 17,963.40/x
  3. Step 3: Cross multiply
    19,231.86x = 28,869.66 × 17,963.40
  4. Step 4: Simplify right side
    19,231.86x = 518,597,250.44
  5. Step 5: Solve for x
    x = 518,597,250.44/19,231.86
  6. Step 6: Final answer
    x = 26,965.53

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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.