Home / 27,906.54-38,511.32-15,159.97

Finding the Fourth Proportional to 27,906.54, 38,511.32 and 15,159.97

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Solution

The fourth proportional to 27,906.54, 38,511.32 and 15,159.97 is: 20,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.54 : 38,511.32 = 15,159.97 : x
  2. Step 2: Convert to fraction form
    27,906.54/38,511.32 = 15,159.97/x
  3. Step 3: Cross multiply
    27,906.54x = 38,511.32 × 15,159.97
  4. Step 4: Simplify right side
    27,906.54x = 583,830,428.20
  5. Step 5: Solve for x
    x = 583,830,428.20/27,906.54
  6. Step 6: Final answer
    x = 20,920.92

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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.