Home / 26,997.75-37,256.91-15,819.75

Finding the Fourth Proportional to 26,997.75, 37,256.91 and 15,819.75

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Solution

The fourth proportional to 26,997.75, 37,256.91 and 15,819.75 is: 21,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,997.75 : 37,256.91 = 15,819.75 : x
  2. Step 2: Convert to fraction form
    26,997.75/37,256.91 = 15,819.75/x
  3. Step 3: Cross multiply
    26,997.75x = 37,256.91 × 15,819.75
  4. Step 4: Simplify right side
    26,997.75x = 589,395,001.97
  5. Step 5: Solve for x
    x = 589,395,001.97/26,997.75
  6. Step 6: Final answer
    x = 21,831.26

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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.