Home / 20,035.83-27,652.82-12,078.66

Finding the Fourth Proportional to 20,035.83, 27,652.82 and 12,078.66

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Solution

The fourth proportional to 20,035.83, 27,652.82 and 12,078.66 is: 16,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.83 : 27,652.82 = 12,078.66 : x
  2. Step 2: Convert to fraction form
    20,035.83/27,652.82 = 12,078.66/x
  3. Step 3: Cross multiply
    20,035.83x = 27,652.82 × 12,078.66
  4. Step 4: Simplify right side
    20,035.83x = 334,008,950.43
  5. Step 5: Solve for x
    x = 334,008,950.43/20,035.83
  6. Step 6: Final answer
    x = 16,670.58

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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.