Home / 28,806.51-43,175.80-12,993.03

Finding the Fourth Proportional to 28,806.51, 43,175.80 and 12,993.03

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Solution

The fourth proportional to 28,806.51, 43,175.80 and 12,993.03 is: 19,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.51 : 43,175.80 = 12,993.03 : x
  2. Step 2: Convert to fraction form
    28,806.51/43,175.80 = 12,993.03/x
  3. Step 3: Cross multiply
    28,806.51x = 43,175.80 × 12,993.03
  4. Step 4: Simplify right side
    28,806.51x = 560,984,464.67
  5. Step 5: Solve for x
    x = 560,984,464.67/28,806.51
  6. Step 6: Final answer
    x = 19,474.23

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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.