Home / 28,512.23-42,745.23-11,884.73

Finding the Fourth Proportional to 28,512.23, 42,745.23 and 11,884.73

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Solution

The fourth proportional to 28,512.23, 42,745.23 and 11,884.73 is: 17,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.23 : 42,745.23 = 11,884.73 : x
  2. Step 2: Convert to fraction form
    28,512.23/42,745.23 = 11,884.73/x
  3. Step 3: Cross multiply
    28,512.23x = 42,745.23 × 11,884.73
  4. Step 4: Simplify right side
    28,512.23x = 508,015,303.61
  5. Step 5: Solve for x
    x = 508,015,303.61/28,512.23
  6. Step 6: Final answer
    x = 17,817.46

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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.