Home / 27,639.09-38,131.07-17,010.27

Finding the Fourth Proportional to 27,639.09, 38,131.07 and 17,010.27

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Solution

The fourth proportional to 27,639.09, 38,131.07 and 17,010.27 is: 23,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.09 : 38,131.07 = 17,010.27 : x
  2. Step 2: Convert to fraction form
    27,639.09/38,131.07 = 17,010.27/x
  3. Step 3: Cross multiply
    27,639.09x = 38,131.07 × 17,010.27
  4. Step 4: Simplify right side
    27,639.09x = 648,619,711.04
  5. Step 5: Solve for x
    x = 648,619,711.04/27,639.09
  6. Step 6: Final answer
    x = 23,467.48

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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.