Home / 26,873.22-37,089.55-15,540.76

Finding the Fourth Proportional to 26,873.22, 37,089.55 and 15,540.76

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Solution

The fourth proportional to 26,873.22, 37,089.55 and 15,540.76 is: 21,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,873.22 : 37,089.55 = 15,540.76 : x
  2. Step 2: Convert to fraction form
    26,873.22/37,089.55 = 15,540.76/x
  3. Step 3: Cross multiply
    26,873.22x = 37,089.55 × 15,540.76
  4. Step 4: Simplify right side
    26,873.22x = 576,399,773.43
  5. Step 5: Solve for x
    x = 576,399,773.43/26,873.22
  6. Step 6: Final answer
    x = 21,448.86

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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.