Home / 27,287.78-37,662.32-17,083.56

Finding the Fourth Proportional to 27,287.78, 37,662.32 and 17,083.56

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Solution

The fourth proportional to 27,287.78, 37,662.32 and 17,083.56 is: 23,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.78 : 37,662.32 = 17,083.56 : x
  2. Step 2: Convert to fraction form
    27,287.78/37,662.32 = 17,083.56/x
  3. Step 3: Cross multiply
    27,287.78x = 37,662.32 × 17,083.56
  4. Step 4: Simplify right side
    27,287.78x = 643,406,503.46
  5. Step 5: Solve for x
    x = 643,406,503.46/27,287.78
  6. Step 6: Final answer
    x = 23,578.56

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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.