Home / 28,448.90-42,662.54-9,469.92

Finding the Fourth Proportional to 28,448.90, 42,662.54 and 9,469.92

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Solution

The fourth proportional to 28,448.90, 42,662.54 and 9,469.92 is: 14,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.90 : 42,662.54 = 9,469.92 : x
  2. Step 2: Convert to fraction form
    28,448.90/42,662.54 = 9,469.92/x
  3. Step 3: Cross multiply
    28,448.90x = 42,662.54 × 9,469.92
  4. Step 4: Simplify right side
    28,448.90x = 404,010,840.80
  5. Step 5: Solve for x
    x = 404,010,840.80/28,448.90
  6. Step 6: Final answer
    x = 14,201.28

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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.