Home / 19,328.76-28,951.49-13,054.27

Finding the Fourth Proportional to 19,328.76, 28,951.49 and 13,054.27

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Solution

The fourth proportional to 19,328.76, 28,951.49 and 13,054.27 is: 19,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.76 : 28,951.49 = 13,054.27 : x
  2. Step 2: Convert to fraction form
    19,328.76/28,951.49 = 13,054.27/x
  3. Step 3: Cross multiply
    19,328.76x = 28,951.49 × 13,054.27
  4. Step 4: Simplify right side
    19,328.76x = 377,940,538.28
  5. Step 5: Solve for x
    x = 377,940,538.28/19,328.76
  6. Step 6: Final answer
    x = 19,553.27

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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.