Home / 26,736.72-36,890.64-20,361.84

Finding the Fourth Proportional to 26,736.72, 36,890.64 and 20,361.84

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Solution

The fourth proportional to 26,736.72, 36,890.64 and 20,361.84 is: 28,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.72 : 36,890.64 = 20,361.84 : x
  2. Step 2: Convert to fraction form
    26,736.72/36,890.64 = 20,361.84/x
  3. Step 3: Cross multiply
    26,736.72x = 36,890.64 × 20,361.84
  4. Step 4: Simplify right side
    26,736.72x = 751,161,309.18
  5. Step 5: Solve for x
    x = 751,161,309.18/26,736.72
  6. Step 6: Final answer
    x = 28,094.74

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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.