Home / 28,837.97-39,751.07-19,747.62

Finding the Fourth Proportional to 28,837.97, 39,751.07 and 19,747.62

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Solution

The fourth proportional to 28,837.97, 39,751.07 and 19,747.62 is: 27,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.97 : 39,751.07 = 19,747.62 : x
  2. Step 2: Convert to fraction form
    28,837.97/39,751.07 = 19,747.62/x
  3. Step 3: Cross multiply
    28,837.97x = 39,751.07 × 19,747.62
  4. Step 4: Simplify right side
    28,837.97x = 784,988,926.22
  5. Step 5: Solve for x
    x = 784,988,926.22/28,837.97
  6. Step 6: Final answer
    x = 27,220.68

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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.