Home / 27,768.08-38,309.04-16,433.44

Finding the Fourth Proportional to 27,768.08, 38,309.04 and 16,433.44

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Solution

The fourth proportional to 27,768.08, 38,309.04 and 16,433.44 is: 22,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.08 : 38,309.04 = 16,433.44 : x
  2. Step 2: Convert to fraction form
    27,768.08/38,309.04 = 16,433.44/x
  3. Step 3: Cross multiply
    27,768.08x = 38,309.04 × 16,433.44
  4. Step 4: Simplify right side
    27,768.08x = 629,549,214.53
  5. Step 5: Solve for x
    x = 629,549,214.53/27,768.08
  6. Step 6: Final answer
    x = 22,671.68

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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.