Home / 28,055.20-42,046.20-11,395.73

Finding the Fourth Proportional to 28,055.20, 42,046.20 and 11,395.73

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Solution

The fourth proportional to 28,055.20, 42,046.20 and 11,395.73 is: 17,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.20 : 42,046.20 = 11,395.73 : x
  2. Step 2: Convert to fraction form
    28,055.20/42,046.20 = 11,395.73/x
  3. Step 3: Cross multiply
    28,055.20x = 42,046.20 × 11,395.73
  4. Step 4: Simplify right side
    28,055.20x = 479,147,142.73
  5. Step 5: Solve for x
    x = 479,147,142.73/28,055.20
  6. Step 6: Final answer
    x = 17,078.73

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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.