Home / 27,684.36-41,541.12-21,152.52

Finding the Fourth Proportional to 27,684.36, 41,541.12 and 21,152.52

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Solution

The fourth proportional to 27,684.36, 41,541.12 and 21,152.52 is: 31,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.36 : 41,541.12 = 21,152.52 : x
  2. Step 2: Convert to fraction form
    27,684.36/41,541.12 = 21,152.52/x
  3. Step 3: Cross multiply
    27,684.36x = 41,541.12 × 21,152.52
  4. Step 4: Simplify right side
    27,684.36x = 878,699,371.62
  5. Step 5: Solve for x
    x = 878,699,371.62/27,684.36
  6. Step 6: Final answer
    x = 31,739.92

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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.