Home / 28,706.57-43,051.49-11,172.23

Finding the Fourth Proportional to 28,706.57, 43,051.49 and 11,172.23

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Solution

The fourth proportional to 28,706.57, 43,051.49 and 11,172.23 is: 16,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.57 : 43,051.49 = 11,172.23 : x
  2. Step 2: Convert to fraction form
    28,706.57/43,051.49 = 11,172.23/x
  3. Step 3: Cross multiply
    28,706.57x = 43,051.49 × 11,172.23
  4. Step 4: Simplify right side
    28,706.57x = 480,981,092.26
  5. Step 5: Solve for x
    x = 480,981,092.26/28,706.57
  6. Step 6: Final answer
    x = 16,755.09

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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.