Home / 28,988.75-39,704.72-27,286.54

Finding the Fourth Proportional to 28,988.75, 39,704.72 and 27,286.54

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Solution

The fourth proportional to 28,988.75, 39,704.72 and 27,286.54 is: 37,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.75 : 39,704.72 = 27,286.54 : x
  2. Step 2: Convert to fraction form
    28,988.75/39,704.72 = 27,286.54/x
  3. Step 3: Cross multiply
    28,988.75x = 39,704.72 × 27,286.54
  4. Step 4: Simplify right side
    28,988.75x = 1,083,404,194.77
  5. Step 5: Solve for x
    x = 1,083,404,194.77/28,988.75
  6. Step 6: Final answer
    x = 37,373.26

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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.