Home / 19,283.60-28,845.40-18,102.62

Finding the Fourth Proportional to 19,283.60, 28,845.40 and 18,102.62

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Solution

The fourth proportional to 19,283.60, 28,845.40 and 18,102.62 is: 27,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.60 : 28,845.40 = 18,102.62 : x
  2. Step 2: Convert to fraction form
    19,283.60/28,845.40 = 18,102.62/x
  3. Step 3: Cross multiply
    19,283.60x = 28,845.40 × 18,102.62
  4. Step 4: Simplify right side
    19,283.60x = 522,177,314.95
  5. Step 5: Solve for x
    x = 522,177,314.95/19,283.60
  6. Step 6: Final answer
    x = 27,078.83

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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.