Home / 19,591.88-29,329.50-18,892.04

Finding the Fourth Proportional to 19,591.88, 29,329.50 and 18,892.04

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Solution

The fourth proportional to 19,591.88, 29,329.50 and 18,892.04 is: 28,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.88 : 29,329.50 = 18,892.04 : x
  2. Step 2: Convert to fraction form
    19,591.88/29,329.50 = 18,892.04/x
  3. Step 3: Cross multiply
    19,591.88x = 29,329.50 × 18,892.04
  4. Step 4: Simplify right side
    19,591.88x = 554,094,087.18
  5. Step 5: Solve for x
    x = 554,094,087.18/19,591.88
  6. Step 6: Final answer
    x = 28,281.82

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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.