Home / 19,337.80-28,745.90-18,770.26

Finding the Fourth Proportional to 19,337.80, 28,745.90 and 18,770.26

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Solution

The fourth proportional to 19,337.80, 28,745.90 and 18,770.26 is: 27,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.80 : 28,745.90 = 18,770.26 : x
  2. Step 2: Convert to fraction form
    19,337.80/28,745.90 = 18,770.26/x
  3. Step 3: Cross multiply
    19,337.80x = 28,745.90 × 18,770.26
  4. Step 4: Simplify right side
    19,337.80x = 539,568,016.93
  5. Step 5: Solve for x
    x = 539,568,016.93/19,337.80
  6. Step 6: Final answer
    x = 27,902.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.