Home / 28,919.23-43,360.11-19,028.52

Finding the Fourth Proportional to 28,919.23, 43,360.11 and 19,028.52

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Solution

The fourth proportional to 28,919.23, 43,360.11 and 19,028.52 is: 28,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919.23 : 43,360.11 = 19,028.52 : x
  2. Step 2: Convert to fraction form
    28,919.23/43,360.11 = 19,028.52/x
  3. Step 3: Cross multiply
    28,919.23x = 43,360.11 × 19,028.52
  4. Step 4: Simplify right side
    28,919.23x = 825,078,720.34
  5. Step 5: Solve for x
    x = 825,078,720.34/28,919.23
  6. Step 6: Final answer
    x = 28,530.46

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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.