Home / 26,704.12-36,810.78-19,979.56

Finding the Fourth Proportional to 26,704.12, 36,810.78 and 19,979.56

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Solution

The fourth proportional to 26,704.12, 36,810.78 and 19,979.56 is: 27,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,704.12 : 36,810.78 = 19,979.56 : x
  2. Step 2: Convert to fraction form
    26,704.12/36,810.78 = 19,979.56/x
  3. Step 3: Cross multiply
    26,704.12x = 36,810.78 × 19,979.56
  4. Step 4: Simplify right side
    26,704.12x = 735,463,187.66
  5. Step 5: Solve for x
    x = 735,463,187.66/26,704.12
  6. Step 6: Final answer
    x = 27,541.19

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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.