Home / 28,857.06-43,293.26-9,136.02

Finding the Fourth Proportional to 28,857.06, 43,293.26 and 9,136.02

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Solution

The fourth proportional to 28,857.06, 43,293.26 and 9,136.02 is: 13,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.06 : 43,293.26 = 9,136.02 : x
  2. Step 2: Convert to fraction form
    28,857.06/43,293.26 = 9,136.02/x
  3. Step 3: Cross multiply
    28,857.06x = 43,293.26 × 9,136.02
  4. Step 4: Simplify right side
    28,857.06x = 395,528,089.23
  5. Step 5: Solve for x
    x = 395,528,089.23/28,857.06
  6. Step 6: Final answer
    x = 13,706.46

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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.