Home / 28,929.25-39,955.17-19,481.41

Finding the Fourth Proportional to 28,929.25, 39,955.17 and 19,481.41

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Solution

The fourth proportional to 28,929.25, 39,955.17 and 19,481.41 is: 26,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.25 : 39,955.17 = 19,481.41 : x
  2. Step 2: Convert to fraction form
    28,929.25/39,955.17 = 19,481.41/x
  3. Step 3: Cross multiply
    28,929.25x = 39,955.17 × 19,481.41
  4. Step 4: Simplify right side
    28,929.25x = 778,383,048.39
  5. Step 5: Solve for x
    x = 778,383,048.39/28,929.25
  6. Step 6: Final answer
    x = 26,906.44

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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.