Home / 28,804-39,749.64-16,228.96

Finding the Fourth Proportional to 28,804, 39,749.64 and 16,228.96

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Solution

The fourth proportional to 28,804, 39,749.64 and 16,228.96 is: 22,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804 : 39,749.64 = 16,228.96 : x
  2. Step 2: Convert to fraction form
    28,804/39,749.64 = 16,228.96/x
  3. Step 3: Cross multiply
    28,804x = 39,749.64 × 16,228.96
  4. Step 4: Simplify right side
    28,804x = 645,095,317.57
  5. Step 5: Solve for x
    x = 645,095,317.57/28,804
  6. Step 6: Final answer
    x = 22,396.03

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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.