Home / 19,069.90-28,605.12-5,921.44

Finding the Fourth Proportional to 19,069.90, 28,605.12 and 5,921.44

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Solution

The fourth proportional to 19,069.90, 28,605.12 and 5,921.44 is: 8,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.90 : 28,605.12 = 5,921.44 : x
  2. Step 2: Convert to fraction form
    19,069.90/28,605.12 = 5,921.44/x
  3. Step 3: Cross multiply
    19,069.90x = 28,605.12 × 5,921.44
  4. Step 4: Simplify right side
    19,069.90x = 169,383,408.05
  5. Step 5: Solve for x
    x = 169,383,408.05/19,069.90
  6. Step 6: Final answer
    x = 8,882.24

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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.