Home / 28,067.41-42,107.82-9,347.60

Finding the Fourth Proportional to 28,067.41, 42,107.82 and 9,347.60

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Solution

The fourth proportional to 28,067.41, 42,107.82 and 9,347.60 is: 14,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.41 : 42,107.82 = 9,347.60 : x
  2. Step 2: Convert to fraction form
    28,067.41/42,107.82 = 9,347.60/x
  3. Step 3: Cross multiply
    28,067.41x = 42,107.82 × 9,347.60
  4. Step 4: Simplify right side
    28,067.41x = 393,607,128.45
  5. Step 5: Solve for x
    x = 393,607,128.45/28,067.41
  6. Step 6: Final answer
    x = 14,023.63

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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.