Home / 28,608.39-39,481.73-16,669.19

Finding the Fourth Proportional to 28,608.39, 39,481.73 and 16,669.19

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Solution

The fourth proportional to 28,608.39, 39,481.73 and 16,669.19 is: 23,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.39 : 39,481.73 = 16,669.19 : x
  2. Step 2: Convert to fraction form
    28,608.39/39,481.73 = 16,669.19/x
  3. Step 3: Cross multiply
    28,608.39x = 39,481.73 × 16,669.19
  4. Step 4: Simplify right side
    28,608.39x = 658,128,536.77
  5. Step 5: Solve for x
    x = 658,128,536.77/28,608.39
  6. Step 6: Final answer
    x = 23,004.74

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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.