Home / 20,280.52-27,783.83-19,522.44

Finding the Fourth Proportional to 20,280.52, 27,783.83 and 19,522.44

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Solution

The fourth proportional to 20,280.52, 27,783.83 and 19,522.44 is: 26,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280.52 : 27,783.83 = 19,522.44 : x
  2. Step 2: Convert to fraction form
    20,280.52/27,783.83 = 19,522.44/x
  3. Step 3: Cross multiply
    20,280.52x = 27,783.83 × 19,522.44
  4. Step 4: Simplify right side
    20,280.52x = 542,408,154.15
  5. Step 5: Solve for x
    x = 542,408,154.15/20,280.52
  6. Step 6: Final answer
    x = 26,745.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.