Home / 28,857.48-43,293.86-9,136.36

Finding the Fourth Proportional to 28,857.48, 43,293.86 and 9,136.36

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Solution

The fourth proportional to 28,857.48, 43,293.86 and 9,136.36 is: 13,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.48 : 43,293.86 = 9,136.36 : x
  2. Step 2: Convert to fraction form
    28,857.48/43,293.86 = 9,136.36/x
  3. Step 3: Cross multiply
    28,857.48x = 43,293.86 × 9,136.36
  4. Step 4: Simplify right side
    28,857.48x = 395,548,290.75
  5. Step 5: Solve for x
    x = 395,548,290.75/28,857.48
  6. Step 6: Final answer
    x = 13,706.96

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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.