Home / 28,116.31-42,153.62-17,020.37

Finding the Fourth Proportional to 28,116.31, 42,153.62 and 17,020.37

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Solution

The fourth proportional to 28,116.31, 42,153.62 and 17,020.37 is: 25,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.31 : 42,153.62 = 17,020.37 : x
  2. Step 2: Convert to fraction form
    28,116.31/42,153.62 = 17,020.37/x
  3. Step 3: Cross multiply
    28,116.31x = 42,153.62 × 17,020.37
  4. Step 4: Simplify right side
    28,116.31x = 717,470,209.24
  5. Step 5: Solve for x
    x = 717,470,209.24/28,116.31
  6. Step 6: Final answer
    x = 25,517.94

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1.5x scale

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.