Home / 28,629.41-39,504.27-16,363.93

Finding the Fourth Proportional to 28,629.41, 39,504.27 and 16,363.93

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Solution

The fourth proportional to 28,629.41, 39,504.27 and 16,363.93 is: 22,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.41 : 39,504.27 = 16,363.93 : x
  2. Step 2: Convert to fraction form
    28,629.41/39,504.27 = 16,363.93/x
  3. Step 3: Cross multiply
    28,629.41x = 39,504.27 × 16,363.93
  4. Step 4: Simplify right side
    28,629.41x = 646,445,219.73
  5. Step 5: Solve for x
    x = 646,445,219.73/28,629.41
  6. Step 6: Final answer
    x = 22,579.76

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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.