Home / 28,857.06-43,269.39-10,131.89

Finding the Fourth Proportional to 28,857.06, 43,269.39 and 10,131.89

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Solution

The fourth proportional to 28,857.06, 43,269.39 and 10,131.89 is: 15,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.06 : 43,269.39 = 10,131.89 : x
  2. Step 2: Convert to fraction form
    28,857.06/43,269.39 = 10,131.89/x
  3. Step 3: Cross multiply
    28,857.06x = 43,269.39 × 10,131.89
  4. Step 4: Simplify right side
    28,857.06x = 438,400,483.50
  5. Step 5: Solve for x
    x = 438,400,483.50/28,857.06
  6. Step 6: Final answer
    x = 15,192.14

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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.