Home / 27,804.69-38,370.60-15,229.44

Finding the Fourth Proportional to 27,804.69, 38,370.60 and 15,229.44

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Solution

The fourth proportional to 27,804.69, 38,370.60 and 15,229.44 is: 21,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.69 : 38,370.60 = 15,229.44 : x
  2. Step 2: Convert to fraction form
    27,804.69/38,370.60 = 15,229.44/x
  3. Step 3: Cross multiply
    27,804.69x = 38,370.60 × 15,229.44
  4. Step 4: Simplify right side
    27,804.69x = 584,362,750.46
  5. Step 5: Solve for x
    x = 584,362,750.46/27,804.69
  6. Step 6: Final answer
    x = 21,016.70

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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.