Home / 27,021.94-37,287.44-15,689.22

Finding the Fourth Proportional to 27,021.94, 37,287.44 and 15,689.22

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Solution

The fourth proportional to 27,021.94, 37,287.44 and 15,689.22 is: 21,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.94 : 37,287.44 = 15,689.22 : x
  2. Step 2: Convert to fraction form
    27,021.94/37,287.44 = 15,689.22/x
  3. Step 3: Cross multiply
    27,021.94x = 37,287.44 × 15,689.22
  4. Step 4: Simplify right side
    27,021.94x = 585,010,832.06
  5. Step 5: Solve for x
    x = 585,010,832.06/27,021.94
  6. Step 6: Final answer
    x = 21,649.48

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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.