Home / 19,283.88-28,845.83-18,102.90

Finding the Fourth Proportional to 19,283.88, 28,845.83 and 18,102.90

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Solution

The fourth proportional to 19,283.88, 28,845.83 and 18,102.90 is: 27,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.88 : 28,845.83 = 18,102.90 : x
  2. Step 2: Convert to fraction form
    19,283.88/28,845.83 = 18,102.90/x
  3. Step 3: Cross multiply
    19,283.88x = 28,845.83 × 18,102.90
  4. Step 4: Simplify right side
    19,283.88x = 522,193,329.34
  5. Step 5: Solve for x
    x = 522,193,329.34/19,283.88
  6. Step 6: Final answer
    x = 27,079.26

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1.5x scale

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.