Home / 28,930.82-43,366.46-13,146.83

Finding the Fourth Proportional to 28,930.82, 43,366.46 and 13,146.83

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Solution

The fourth proportional to 28,930.82, 43,366.46 and 13,146.83 is: 19,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.82 : 43,366.46 = 13,146.83 : x
  2. Step 2: Convert to fraction form
    28,930.82/43,366.46 = 13,146.83/x
  3. Step 3: Cross multiply
    28,930.82x = 43,366.46 × 13,146.83
  4. Step 4: Simplify right side
    28,930.82x = 570,131,590.27
  5. Step 5: Solve for x
    x = 570,131,590.27/28,930.82
  6. Step 6: Final answer
    x = 19,706.72

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1.5x scale

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.