Home / 28,069.03-38,734.69-16,132.06

Finding the Fourth Proportional to 28,069.03, 38,734.69 and 16,132.06

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Solution

The fourth proportional to 28,069.03, 38,734.69 and 16,132.06 is: 22,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.03 : 38,734.69 = 16,132.06 : x
  2. Step 2: Convert to fraction form
    28,069.03/38,734.69 = 16,132.06/x
  3. Step 3: Cross multiply
    28,069.03x = 38,734.69 × 16,132.06
  4. Step 4: Simplify right side
    28,069.03x = 624,870,109.16
  5. Step 5: Solve for x
    x = 624,870,109.16/28,069.03
  6. Step 6: Final answer
    x = 22,261.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.