Home / 28,605.25-39,477.68-16,032.43

Finding the Fourth Proportional to 28,605.25, 39,477.68 and 16,032.43

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Solution

The fourth proportional to 28,605.25, 39,477.68 and 16,032.43 is: 22,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.25 : 39,477.68 = 16,032.43 : x
  2. Step 2: Convert to fraction form
    28,605.25/39,477.68 = 16,032.43/x
  3. Step 3: Cross multiply
    28,605.25x = 39,477.68 × 16,032.43
  4. Step 4: Simplify right side
    28,605.25x = 632,923,141.16
  5. Step 5: Solve for x
    x = 632,923,141.16/28,605.25
  6. Step 6: Final answer
    x = 22,126.12

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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.