Home / 21,639.24-32,395.59-19,564.02

Finding the Fourth Proportional to 21,639.24, 32,395.59 and 19,564.02

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Solution

The fourth proportional to 21,639.24, 32,395.59 and 19,564.02 is: 29,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.24 : 32,395.59 = 19,564.02 : x
  2. Step 2: Convert to fraction form
    21,639.24/32,395.59 = 19,564.02/x
  3. Step 3: Cross multiply
    21,639.24x = 32,395.59 × 19,564.02
  4. Step 4: Simplify right side
    21,639.24x = 633,787,970.67
  5. Step 5: Solve for x
    x = 633,787,970.67/21,639.24
  6. Step 6: Final answer
    x = 29,288.83

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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.