Home / 41,823.69-57,668.02-28,403.61

Finding the Fourth Proportional to 41,823.69, 57,668.02 and 28,403.61

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Solution

The fourth proportional to 41,823.69, 57,668.02 and 28,403.61 is: 39,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,823.69 : 57,668.02 = 28,403.61 : x
  2. Step 2: Convert to fraction form
    41,823.69/57,668.02 = 28,403.61/x
  3. Step 3: Cross multiply
    41,823.69x = 57,668.02 × 28,403.61
  4. Step 4: Simplify right side
    41,823.69x = 1,637,979,949.55
  5. Step 5: Solve for x
    x = 1,637,979,949.55/41,823.69
  6. Step 6: Final answer
    x = 39,163.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.