Home / 26,861.36-37,080.04-18,131.91

Finding the Fourth Proportional to 26,861.36, 37,080.04 and 18,131.91

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Solution

The fourth proportional to 26,861.36, 37,080.04 and 18,131.91 is: 25,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.36 : 37,080.04 = 18,131.91 : x
  2. Step 2: Convert to fraction form
    26,861.36/37,080.04 = 18,131.91/x
  3. Step 3: Cross multiply
    26,861.36x = 37,080.04 × 18,131.91
  4. Step 4: Simplify right side
    26,861.36x = 672,331,948.08
  5. Step 5: Solve for x
    x = 672,331,948.08/26,861.36
  6. Step 6: Final answer
    x = 25,029.71

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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.