Home / 19,264.53-28,913.27-13,731.42

Finding the Fourth Proportional to 19,264.53, 28,913.27 and 13,731.42

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Solution

The fourth proportional to 19,264.53, 28,913.27 and 13,731.42 is: 20,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.53 : 28,913.27 = 13,731.42 : x
  2. Step 2: Convert to fraction form
    19,264.53/28,913.27 = 13,731.42/x
  3. Step 3: Cross multiply
    19,264.53x = 28,913.27 × 13,731.42
  4. Step 4: Simplify right side
    19,264.53x = 397,020,185.29
  5. Step 5: Solve for x
    x = 397,020,185.29/19,264.53
  6. Step 6: Final answer
    x = 20,608.87

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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.