Home / 21,619.71-32,366.39-19,544.49

Finding the Fourth Proportional to 21,619.71, 32,366.39 and 19,544.49

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Solution

The fourth proportional to 21,619.71, 32,366.39 and 19,544.49 is: 29,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.71 : 32,366.39 = 19,544.49 : x
  2. Step 2: Convert to fraction form
    21,619.71/32,366.39 = 19,544.49/x
  3. Step 3: Cross multiply
    21,619.71x = 32,366.39 × 19,544.49
  4. Step 4: Simplify right side
    21,619.71x = 632,584,487.97
  5. Step 5: Solve for x
    x = 632,584,487.97/21,619.71
  6. Step 6: Final answer
    x = 29,259.62

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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.