Home / 26,558.66-39,816.79-12,511.28

Finding the Fourth Proportional to 26,558.66, 39,816.79 and 12,511.28

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Solution

The fourth proportional to 26,558.66, 39,816.79 and 12,511.28 is: 18,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.66 : 39,816.79 = 12,511.28 : x
  2. Step 2: Convert to fraction form
    26,558.66/39,816.79 = 12,511.28/x
  3. Step 3: Cross multiply
    26,558.66x = 39,816.79 × 12,511.28
  4. Step 4: Simplify right side
    26,558.66x = 498,159,076.65
  5. Step 5: Solve for x
    x = 498,159,076.65/26,558.66
  6. Step 6: Final answer
    x = 18,756.93

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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.