Home / 19,296.83-28,971.41-13,359.47

Finding the Fourth Proportional to 19,296.83, 28,971.41 and 13,359.47

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Solution

The fourth proportional to 19,296.83, 28,971.41 and 13,359.47 is: 20,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.83 : 28,971.41 = 13,359.47 : x
  2. Step 2: Convert to fraction form
    19,296.83/28,971.41 = 13,359.47/x
  3. Step 3: Cross multiply
    19,296.83x = 28,971.41 × 13,359.47
  4. Step 4: Simplify right side
    19,296.83x = 387,042,471.10
  5. Step 5: Solve for x
    x = 387,042,471.10/19,296.83
  6. Step 6: Final answer
    x = 20,057.31

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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.