Home / 27,628.14-41,442.18-12,828.97

Finding the Fourth Proportional to 27,628.14, 41,442.18 and 12,828.97

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Solution

The fourth proportional to 27,628.14, 41,442.18 and 12,828.97 is: 19,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.14 : 41,442.18 = 12,828.97 : x
  2. Step 2: Convert to fraction form
    27,628.14/41,442.18 = 12,828.97/x
  3. Step 3: Cross multiply
    27,628.14x = 41,442.18 × 12,828.97
  4. Step 4: Simplify right side
    27,628.14x = 531,660,483.95
  5. Step 5: Solve for x
    x = 531,660,483.95/27,628.14
  6. Step 6: Final answer
    x = 19,243.44

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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.