Home / 26,274.28-36,263.21-15,664.61

Finding the Fourth Proportional to 26,274.28, 36,263.21 and 15,664.61

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Solution

The fourth proportional to 26,274.28, 36,263.21 and 15,664.61 is: 21,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,274.28 : 36,263.21 = 15,664.61 : x
  2. Step 2: Convert to fraction form
    26,274.28/36,263.21 = 15,664.61/x
  3. Step 3: Cross multiply
    26,274.28x = 36,263.21 × 15,664.61
  4. Step 4: Simplify right side
    26,274.28x = 568,049,042.00
  5. Step 5: Solve for x
    x = 568,049,042.00/26,274.28
  6. Step 6: Final answer
    x = 21,619.97

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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.