Home / 27,428.97-41,112.34-12,607.26

Finding the Fourth Proportional to 27,428.97, 41,112.34 and 12,607.26

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Solution

The fourth proportional to 27,428.97, 41,112.34 and 12,607.26 is: 18,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.97 : 41,112.34 = 12,607.26 : x
  2. Step 2: Convert to fraction form
    27,428.97/41,112.34 = 12,607.26/x
  3. Step 3: Cross multiply
    27,428.97x = 41,112.34 × 12,607.26
  4. Step 4: Simplify right side
    27,428.97x = 518,313,959.59
  5. Step 5: Solve for x
    x = 518,313,959.59/27,428.97
  6. Step 6: Final answer
    x = 18,896.59

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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.