Home / 27,804.25-38,369.87-15,229.45

Finding the Fourth Proportional to 27,804.25, 38,369.87 and 15,229.45

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Solution

The fourth proportional to 27,804.25, 38,369.87 and 15,229.45 is: 21,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.25 : 38,369.87 = 15,229.45 : x
  2. Step 2: Convert to fraction form
    27,804.25/38,369.87 = 15,229.45/x
  3. Step 3: Cross multiply
    27,804.25x = 38,369.87 × 15,229.45
  4. Step 4: Simplify right side
    27,804.25x = 584,352,016.67
  5. Step 5: Solve for x
    x = 584,352,016.67/27,804.25
  6. Step 6: Final answer
    x = 21,016.64

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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.