Home / 28,464.98-39,293.26-18,394.25

Finding the Fourth Proportional to 28,464.98, 39,293.26 and 18,394.25

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Solution

The fourth proportional to 28,464.98, 39,293.26 and 18,394.25 is: 25,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.98 : 39,293.26 = 18,394.25 : x
  2. Step 2: Convert to fraction form
    28,464.98/39,293.26 = 18,394.25/x
  3. Step 3: Cross multiply
    28,464.98x = 39,293.26 × 18,394.25
  4. Step 4: Simplify right side
    28,464.98x = 722,770,094.52
  5. Step 5: Solve for x
    x = 722,770,094.52/28,464.98
  6. Step 6: Final answer
    x = 25,391.55

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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.