Home / 28,605.94-39,466.92-18,542.23

Finding the Fourth Proportional to 28,605.94, 39,466.92 and 18,542.23

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Solution

The fourth proportional to 28,605.94, 39,466.92 and 18,542.23 is: 25,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.94 : 39,466.92 = 18,542.23 : x
  2. Step 2: Convert to fraction form
    28,605.94/39,466.92 = 18,542.23/x
  3. Step 3: Cross multiply
    28,605.94x = 39,466.92 × 18,542.23
  4. Step 4: Simplify right side
    28,605.94x = 731,804,708.03
  5. Step 5: Solve for x
    x = 731,804,708.03/28,605.94
  6. Step 6: Final answer
    x = 25,582.26

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1.5x scale

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.