Home / 19,004.65-28,511.61-13,393.26

Finding the Fourth Proportional to 19,004.65, 28,511.61 and 13,393.26

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Solution

The fourth proportional to 19,004.65, 28,511.61 and 13,393.26 is: 20,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.65 : 28,511.61 = 13,393.26 : x
  2. Step 2: Convert to fraction form
    19,004.65/28,511.61 = 13,393.26/x
  3. Step 3: Cross multiply
    19,004.65x = 28,511.61 × 13,393.26
  4. Step 4: Simplify right side
    19,004.65x = 381,863,350.67
  5. Step 5: Solve for x
    x = 381,863,350.67/19,004.65
  6. Step 6: Final answer
    x = 20,093.15

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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.