Home / 20,036.88-27,651.90-12,081.66

Finding the Fourth Proportional to 20,036.88, 27,651.90 and 12,081.66

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Solution

The fourth proportional to 20,036.88, 27,651.90 and 12,081.66 is: 16,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.88 : 27,651.90 = 12,081.66 : x
  2. Step 2: Convert to fraction form
    20,036.88/27,651.90 = 12,081.66/x
  3. Step 3: Cross multiply
    20,036.88x = 27,651.90 × 12,081.66
  4. Step 4: Simplify right side
    20,036.88x = 334,080,854.15
  5. Step 5: Solve for x
    x = 334,080,854.15/20,036.88
  6. Step 6: Final answer
    x = 16,673.30

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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.