Home / 19,059.75-28,591.26-5,208.75

Finding the Fourth Proportional to 19,059.75, 28,591.26 and 5,208.75

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Solution

The fourth proportional to 19,059.75, 28,591.26 and 5,208.75 is: 7,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.75 : 28,591.26 = 5,208.75 : x
  2. Step 2: Convert to fraction form
    19,059.75/28,591.26 = 5,208.75/x
  3. Step 3: Cross multiply
    19,059.75x = 28,591.26 × 5,208.75
  4. Step 4: Simplify right side
    19,059.75x = 148,924,725.53
  5. Step 5: Solve for x
    x = 148,924,725.53/19,059.75
  6. Step 6: Final answer
    x = 7,813.57

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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.