Home / 28,575.05-39,508.79-25,028.06

Finding the Fourth Proportional to 28,575.05, 39,508.79 and 25,028.06

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Solution

The fourth proportional to 28,575.05, 39,508.79 and 25,028.06 is: 34,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.05 : 39,508.79 = 25,028.06 : x
  2. Step 2: Convert to fraction form
    28,575.05/39,508.79 = 25,028.06/x
  3. Step 3: Cross multiply
    28,575.05x = 39,508.79 × 25,028.06
  4. Step 4: Simplify right side
    28,575.05x = 988,828,452.24
  5. Step 5: Solve for x
    x = 988,828,452.24/28,575.05
  6. Step 6: Final answer
    x = 34,604.61

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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.