Home / 19,988.88-29,909.34-16,028.04

Finding the Fourth Proportional to 19,988.88, 29,909.34 and 16,028.04

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Solution

The fourth proportional to 19,988.88, 29,909.34 and 16,028.04 is: 23,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.88 : 29,909.34 = 16,028.04 : x
  2. Step 2: Convert to fraction form
    19,988.88/29,909.34 = 16,028.04/x
  3. Step 3: Cross multiply
    19,988.88x = 29,909.34 × 16,028.04
  4. Step 4: Simplify right side
    19,988.88x = 479,388,097.89
  5. Step 5: Solve for x
    x = 479,388,097.89/19,988.88
  6. Step 6: Final answer
    x = 23,982.74

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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.