Home / 19,270.54-28,907.73-5,230.79

Finding the Fourth Proportional to 19,270.54, 28,907.73 and 5,230.79

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Solution

The fourth proportional to 19,270.54, 28,907.73 and 5,230.79 is: 7,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.54 : 28,907.73 = 5,230.79 : x
  2. Step 2: Convert to fraction form
    19,270.54/28,907.73 = 5,230.79/x
  3. Step 3: Cross multiply
    19,270.54x = 28,907.73 × 5,230.79
  4. Step 4: Simplify right side
    19,270.54x = 151,210,337.28
  5. Step 5: Solve for x
    x = 151,210,337.28/19,270.54
  6. Step 6: Final answer
    x = 7,846.71

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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.