Home / 27,442.20-37,831.40-19,481.52

Finding the Fourth Proportional to 27,442.20, 37,831.40 and 19,481.52

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Solution

The fourth proportional to 27,442.20, 37,831.40 and 19,481.52 is: 26,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.20 : 37,831.40 = 19,481.52 : x
  2. Step 2: Convert to fraction form
    27,442.20/37,831.40 = 19,481.52/x
  3. Step 3: Cross multiply
    27,442.20x = 37,831.40 × 19,481.52
  4. Step 4: Simplify right side
    27,442.20x = 737,013,175.73
  5. Step 5: Solve for x
    x = 737,013,175.73/27,442.20
  6. Step 6: Final answer
    x = 26,856.93

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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.