Home / 28,795.14-39,735.27-15,873.84

Finding the Fourth Proportional to 28,795.14, 39,735.27 and 15,873.84

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Solution

The fourth proportional to 28,795.14, 39,735.27 and 15,873.84 is: 21,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.14 : 39,735.27 = 15,873.84 : x
  2. Step 2: Convert to fraction form
    28,795.14/39,735.27 = 15,873.84/x
  3. Step 3: Cross multiply
    28,795.14x = 39,735.27 × 15,873.84
  4. Step 4: Simplify right side
    28,795.14x = 630,751,318.34
  5. Step 5: Solve for x
    x = 630,751,318.34/28,795.14
  6. Step 6: Final answer
    x = 21,904.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.