Home / 28,579.08-39,452.82-19,034.85

Finding the Fourth Proportional to 28,579.08, 39,452.82 and 19,034.85

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Solution

The fourth proportional to 28,579.08, 39,452.82 and 19,034.85 is: 26,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.08 : 39,452.82 = 19,034.85 : x
  2. Step 2: Convert to fraction form
    28,579.08/39,452.82 = 19,034.85/x
  3. Step 3: Cross multiply
    28,579.08x = 39,452.82 × 19,034.85
  4. Step 4: Simplify right side
    28,579.08x = 750,978,510.78
  5. Step 5: Solve for x
    x = 750,978,510.78/28,579.08
  6. Step 6: Final answer
    x = 26,277.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.