Home / 28,154.43-42,147.51-17,027.46

Finding the Fourth Proportional to 28,154.43, 42,147.51 and 17,027.46

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Solution

The fourth proportional to 28,154.43, 42,147.51 and 17,027.46 is: 25,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.43 : 42,147.51 = 17,027.46 : x
  2. Step 2: Convert to fraction form
    28,154.43/42,147.51 = 17,027.46/x
  3. Step 3: Cross multiply
    28,154.43x = 42,147.51 × 17,027.46
  4. Step 4: Simplify right side
    28,154.43x = 717,665,040.62
  5. Step 5: Solve for x
    x = 717,665,040.62/28,154.43
  6. Step 6: Final answer
    x = 25,490.31

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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.