Home / 28,379.88-42,504.20-27,395.73

Finding the Fourth Proportional to 28,379.88, 42,504.20 and 27,395.73

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Solution

The fourth proportional to 28,379.88, 42,504.20 and 27,395.73 is: 41,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379.88 : 42,504.20 = 27,395.73 : x
  2. Step 2: Convert to fraction form
    28,379.88/42,504.20 = 27,395.73/x
  3. Step 3: Cross multiply
    28,379.88x = 42,504.20 × 27,395.73
  4. Step 4: Simplify right side
    28,379.88x = 1,164,433,587.07
  5. Step 5: Solve for x
    x = 1,164,433,587.07/28,379.88
  6. Step 6: Final answer
    x = 41,030.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.