Home / 28,989.75-39,706.08-27,287.54

Finding the Fourth Proportional to 28,989.75, 39,706.08 and 27,287.54

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Solution

The fourth proportional to 28,989.75, 39,706.08 and 27,287.54 is: 37,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.75 : 39,706.08 = 27,287.54 : x
  2. Step 2: Convert to fraction form
    28,989.75/39,706.08 = 27,287.54/x
  3. Step 3: Cross multiply
    28,989.75x = 39,706.08 × 27,287.54
  4. Step 4: Simplify right side
    28,989.75x = 1,083,481,246.24
  5. Step 5: Solve for x
    x = 1,083,481,246.24/28,989.75
  6. Step 6: Final answer
    x = 37,374.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.