Home / 26,709.12-36,817.68-19,984.56

Finding the Fourth Proportional to 26,709.12, 36,817.68 and 19,984.56

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Solution

The fourth proportional to 26,709.12, 36,817.68 and 19,984.56 is: 27,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.12 : 36,817.68 = 19,984.56 : x
  2. Step 2: Convert to fraction form
    26,709.12/36,817.68 = 19,984.56/x
  3. Step 3: Cross multiply
    26,709.12x = 36,817.68 × 19,984.56
  4. Step 4: Simplify right side
    26,709.12x = 735,785,135.02
  5. Step 5: Solve for x
    x = 735,785,135.02/26,709.12
  6. Step 6: Final answer
    x = 27,548.09

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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.