Home / 26,664.17-40,007.93-12,634.21

Finding the Fourth Proportional to 26,664.17, 40,007.93 and 12,634.21

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Solution

The fourth proportional to 26,664.17, 40,007.93 and 12,634.21 is: 18,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.17 : 40,007.93 = 12,634.21 : x
  2. Step 2: Convert to fraction form
    26,664.17/40,007.93 = 12,634.21/x
  3. Step 3: Cross multiply
    26,664.17x = 40,007.93 × 12,634.21
  4. Step 4: Simplify right side
    26,664.17x = 505,468,576.12
  5. Step 5: Solve for x
    x = 505,468,576.12/26,664.17
  6. Step 6: Final answer
    x = 18,956.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.