Home / 19,571.56-29,359.80-6,425.28

Finding the Fourth Proportional to 19,571.56, 29,359.80 and 6,425.28

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Solution

The fourth proportional to 19,571.56, 29,359.80 and 6,425.28 is: 9,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.56 : 29,359.80 = 6,425.28 : x
  2. Step 2: Convert to fraction form
    19,571.56/29,359.80 = 6,425.28/x
  3. Step 3: Cross multiply
    19,571.56x = 29,359.80 × 6,425.28
  4. Step 4: Simplify right side
    19,571.56x = 188,644,935.74
  5. Step 5: Solve for x
    x = 188,644,935.74/19,571.56
  6. Step 6: Final answer
    x = 9,638.73

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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.