Home / 28,134.07-42,154.24-19,796.57

Finding the Fourth Proportional to 28,134.07, 42,154.24 and 19,796.57

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Solution

The fourth proportional to 28,134.07, 42,154.24 and 19,796.57 is: 29,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.07 : 42,154.24 = 19,796.57 : x
  2. Step 2: Convert to fraction form
    28,134.07/42,154.24 = 19,796.57/x
  3. Step 3: Cross multiply
    28,134.07x = 42,154.24 × 19,796.57
  4. Step 4: Simplify right side
    28,134.07x = 834,509,362.96
  5. Step 5: Solve for x
    x = 834,509,362.96/28,134.07
  6. Step 6: Final answer
    x = 29,661.88

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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.