Home / 26,691.95-36,837.63-15,361.88

Finding the Fourth Proportional to 26,691.95, 36,837.63 and 15,361.88

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Solution

The fourth proportional to 26,691.95, 36,837.63 and 15,361.88 is: 21,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.95 : 36,837.63 = 15,361.88 : x
  2. Step 2: Convert to fraction form
    26,691.95/36,837.63 = 15,361.88/x
  3. Step 3: Cross multiply
    26,691.95x = 36,837.63 × 15,361.88
  4. Step 4: Simplify right side
    26,691.95x = 565,895,067.36
  5. Step 5: Solve for x
    x = 565,895,067.36/26,691.95
  6. Step 6: Final answer
    x = 21,200.97

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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.