Home / 28,958.40-43,438.41-10,235.79

Finding the Fourth Proportional to 28,958.40, 43,438.41 and 10,235.79

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Solution

The fourth proportional to 28,958.40, 43,438.41 and 10,235.79 is: 15,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.40 : 43,438.41 = 10,235.79 : x
  2. Step 2: Convert to fraction form
    28,958.40/43,438.41 = 10,235.79/x
  3. Step 3: Cross multiply
    28,958.40x = 43,438.41 × 10,235.79
  4. Step 4: Simplify right side
    28,958.40x = 444,626,442.69
  5. Step 5: Solve for x
    x = 444,626,442.69/28,958.40
  6. Step 6: Final answer
    x = 15,353.97

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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.