Home / 27,399.30-41,100.39-8,681.31

Finding the Fourth Proportional to 27,399.30, 41,100.39 and 8,681.31

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Solution

The fourth proportional to 27,399.30, 41,100.39 and 8,681.31 is: 13,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.30 : 41,100.39 = 8,681.31 : x
  2. Step 2: Convert to fraction form
    27,399.30/41,100.39 = 8,681.31/x
  3. Step 3: Cross multiply
    27,399.30x = 41,100.39 × 8,681.31
  4. Step 4: Simplify right side
    27,399.30x = 356,805,226.71
  5. Step 5: Solve for x
    x = 356,805,226.71/27,399.30
  6. Step 6: Final answer
    x = 13,022.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.