Home / 28,398.35-39,196.41-17,651.35

Finding the Fourth Proportional to 28,398.35, 39,196.41 and 17,651.35

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Solution

The fourth proportional to 28,398.35, 39,196.41 and 17,651.35 is: 24,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.35 : 39,196.41 = 17,651.35 : x
  2. Step 2: Convert to fraction form
    28,398.35/39,196.41 = 17,651.35/x
  3. Step 3: Cross multiply
    28,398.35x = 39,196.41 × 17,651.35
  4. Step 4: Simplify right side
    28,398.35x = 691,869,453.66
  5. Step 5: Solve for x
    x = 691,869,453.66/28,398.35
  6. Step 6: Final answer
    x = 24,363.01

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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.