Home / 21,619.04-32,447.99-11,765.39

Finding the Fourth Proportional to 21,619.04, 32,447.99 and 11,765.39

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Solution

The fourth proportional to 21,619.04, 32,447.99 and 11,765.39 is: 17,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.04 : 32,447.99 = 11,765.39 : x
  2. Step 2: Convert to fraction form
    21,619.04/32,447.99 = 11,765.39/x
  3. Step 3: Cross multiply
    21,619.04x = 32,447.99 × 11,765.39
  4. Step 4: Simplify right side
    21,619.04x = 381,763,124.24
  5. Step 5: Solve for x
    x = 381,763,124.24/21,619.04
  6. Step 6: Final answer
    x = 17,658.66

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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.