Home / 19,230.72-28,872.63-13,292.97

Finding the Fourth Proportional to 19,230.72, 28,872.63 and 13,292.97

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Solution

The fourth proportional to 19,230.72, 28,872.63 and 13,292.97 is: 19,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.72 : 28,872.63 = 13,292.97 : x
  2. Step 2: Convert to fraction form
    19,230.72/28,872.63 = 13,292.97/x
  3. Step 3: Cross multiply
    19,230.72x = 28,872.63 × 13,292.97
  4. Step 4: Simplify right side
    19,230.72x = 383,803,004.41
  5. Step 5: Solve for x
    x = 383,803,004.41/19,230.72
  6. Step 6: Final answer
    x = 19,957.81

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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.