Home / 28,845.48-39,806.82-15,597.48

Finding the Fourth Proportional to 28,845.48, 39,806.82 and 15,597.48

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Solution

The fourth proportional to 28,845.48, 39,806.82 and 15,597.48 is: 21,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.48 : 39,806.82 = 15,597.48 : x
  2. Step 2: Convert to fraction form
    28,845.48/39,806.82 = 15,597.48/x
  3. Step 3: Cross multiply
    28,845.48x = 39,806.82 × 15,597.48
  4. Step 4: Simplify right side
    28,845.48x = 620,886,078.81
  5. Step 5: Solve for x
    x = 620,886,078.81/28,845.48
  6. Step 6: Final answer
    x = 21,524.55

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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.