Home / 19,270.76-28,908.07-5,231.00

Finding the Fourth Proportional to 19,270.76, 28,908.07 and 5,231.00

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Solution

The fourth proportional to 19,270.76, 28,908.07 and 5,231.00 is: 7,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.76 : 28,908.07 = 5,231.00 : x
  2. Step 2: Convert to fraction form
    19,270.76/28,908.07 = 5,231.00/x
  3. Step 3: Cross multiply
    19,270.76x = 28,908.07 × 5,231.00
  4. Step 4: Simplify right side
    19,270.76x = 151,218,173.36
  5. Step 5: Solve for x
    x = 151,218,173.36/19,270.76
  6. Step 6: Final answer
    x = 7,847.03

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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.