Home / 28,808.80-43,140.30-27,496.60

Finding the Fourth Proportional to 28,808.80, 43,140.30 and 27,496.60

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Solution

The fourth proportional to 28,808.80, 43,140.30 and 27,496.60 is: 41,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.80 : 43,140.30 = 27,496.60 : x
  2. Step 2: Convert to fraction form
    28,808.80/43,140.30 = 27,496.60/x
  3. Step 3: Cross multiply
    28,808.80x = 43,140.30 × 27,496.60
  4. Step 4: Simplify right side
    28,808.80x = 1,186,211,572.98
  5. Step 5: Solve for x
    x = 1,186,211,572.98/28,808.80
  6. Step 6: Final answer
    x = 41,175.32

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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.