Home / 28,556.14-42,815.94-13,735.54

Finding the Fourth Proportional to 28,556.14, 42,815.94 and 13,735.54

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Solution

The fourth proportional to 28,556.14, 42,815.94 and 13,735.54 is: 20,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.14 : 42,815.94 = 13,735.54 : x
  2. Step 2: Convert to fraction form
    28,556.14/42,815.94 = 13,735.54/x
  3. Step 3: Cross multiply
    28,556.14x = 42,815.94 × 13,735.54
  4. Step 4: Simplify right side
    28,556.14x = 588,100,056.51
  5. Step 5: Solve for x
    x = 588,100,056.51/28,556.14
  6. Step 6: Final answer
    x = 20,594.52

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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.