Home / 28,668.50-43,004.37-10,200.50

Finding the Fourth Proportional to 28,668.50, 43,004.37 and 10,200.50

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Solution

The fourth proportional to 28,668.50, 43,004.37 and 10,200.50 is: 15,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.50 : 43,004.37 = 10,200.50 : x
  2. Step 2: Convert to fraction form
    28,668.50/43,004.37 = 10,200.50/x
  3. Step 3: Cross multiply
    28,668.50x = 43,004.37 × 10,200.50
  4. Step 4: Simplify right side
    28,668.50x = 438,666,076.19
  5. Step 5: Solve for x
    x = 438,666,076.19/28,668.50
  6. Step 6: Final answer
    x = 15,301.33

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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.