Home / 28,806.72-43,212.96-9,084.48

Finding the Fourth Proportional to 28,806.72, 43,212.96 and 9,084.48

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Solution

The fourth proportional to 28,806.72, 43,212.96 and 9,084.48 is: 13,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.72 : 43,212.96 = 9,084.48 : x
  2. Step 2: Convert to fraction form
    28,806.72/43,212.96 = 9,084.48/x
  3. Step 3: Cross multiply
    28,806.72x = 43,212.96 × 9,084.48
  4. Step 4: Simplify right side
    28,806.72x = 392,567,270.86
  5. Step 5: Solve for x
    x = 392,567,270.86/28,806.72
  6. Step 6: Final answer
    x = 13,627.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.