Home / 28,398.99-39,190.86-17,794.83

Finding the Fourth Proportional to 28,398.99, 39,190.86 and 17,794.83

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Solution

The fourth proportional to 28,398.99, 39,190.86 and 17,794.83 is: 24,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.99 : 39,190.86 = 17,794.83 : x
  2. Step 2: Convert to fraction form
    28,398.99/39,190.86 = 17,794.83/x
  3. Step 3: Cross multiply
    28,398.99x = 39,190.86 × 17,794.83
  4. Step 4: Simplify right side
    28,398.99x = 697,394,691.25
  5. Step 5: Solve for x
    x = 697,394,691.25/28,398.99
  6. Step 6: Final answer
    x = 24,557.02

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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.