Home / 27,943.73-41,920.77-9,225.07

Finding the Fourth Proportional to 27,943.73, 41,920.77 and 9,225.07

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Solution

The fourth proportional to 27,943.73, 41,920.77 and 9,225.07 is: 13,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.73 : 41,920.77 = 9,225.07 : x
  2. Step 2: Convert to fraction form
    27,943.73/41,920.77 = 9,225.07/x
  3. Step 3: Cross multiply
    27,943.73x = 41,920.77 × 9,225.07
  4. Step 4: Simplify right side
    27,943.73x = 386,722,037.70
  5. Step 5: Solve for x
    x = 386,722,037.70/27,943.73
  6. Step 6: Final answer
    x = 13,839.31

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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.