Home / 28,608.04-39,481.86-16,667.56

Finding the Fourth Proportional to 28,608.04, 39,481.86 and 16,667.56

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Solution

The fourth proportional to 28,608.04, 39,481.86 and 16,667.56 is: 23,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.04 : 39,481.86 = 16,667.56 : x
  2. Step 2: Convert to fraction form
    28,608.04/39,481.86 = 16,667.56/x
  3. Step 3: Cross multiply
    28,608.04x = 39,481.86 × 16,667.56
  4. Step 4: Simplify right side
    28,608.04x = 658,066,270.46
  5. Step 5: Solve for x
    x = 658,066,270.46/28,608.04
  6. Step 6: Final answer
    x = 23,002.84

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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.