Home / 28,221.62-42,083.75-27,968.69

Finding the Fourth Proportional to 28,221.62, 42,083.75 and 27,968.69

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Solution

The fourth proportional to 28,221.62, 42,083.75 and 27,968.69 is: 41,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.62 : 42,083.75 = 27,968.69 : x
  2. Step 2: Convert to fraction form
    28,221.62/42,083.75 = 27,968.69/x
  3. Step 3: Cross multiply
    28,221.62x = 42,083.75 × 27,968.69
  4. Step 4: Simplify right side
    28,221.62x = 1,177,027,532.92
  5. Step 5: Solve for x
    x = 1,177,027,532.92/28,221.62
  6. Step 6: Final answer
    x = 41,706.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.