Home / 28,852.24-43,282.80-12,212.36

Finding the Fourth Proportional to 28,852.24, 43,282.80 and 12,212.36

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Solution

The fourth proportional to 28,852.24, 43,282.80 and 12,212.36 is: 18,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.24 : 43,282.80 = 12,212.36 : x
  2. Step 2: Convert to fraction form
    28,852.24/43,282.80 = 12,212.36/x
  3. Step 3: Cross multiply
    28,852.24x = 43,282.80 × 12,212.36
  4. Step 4: Simplify right side
    28,852.24x = 528,585,135.41
  5. Step 5: Solve for x
    x = 528,585,135.41/28,852.24
  6. Step 6: Final answer
    x = 18,320.42

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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.