Home / 28,455.46-42,698.61-11,826.97

Finding the Fourth Proportional to 28,455.46, 42,698.61 and 11,826.97

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Solution

The fourth proportional to 28,455.46, 42,698.61 and 11,826.97 is: 17,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455.46 : 42,698.61 = 11,826.97 : x
  2. Step 2: Convert to fraction form
    28,455.46/42,698.61 = 11,826.97/x
  3. Step 3: Cross multiply
    28,455.46x = 42,698.61 × 11,826.97
  4. Step 4: Simplify right side
    28,455.46x = 504,995,072.77
  5. Step 5: Solve for x
    x = 504,995,072.77/28,455.46
  6. Step 6: Final answer
    x = 17,746.86

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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.