Home / 69,520.16-104,280.32-16,929.60

Finding the Fourth Proportional to 69,520.16, 104,280.32 and 16,929.60

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Solution

The fourth proportional to 69,520.16, 104,280.32 and 16,929.60 is: 25,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,520.16 : 104,280.32 = 16,929.60 : x
  2. Step 2: Convert to fraction form
    69,520.16/104,280.32 = 16,929.60/x
  3. Step 3: Cross multiply
    69,520.16x = 104,280.32 × 16,929.60
  4. Step 4: Simplify right side
    69,520.16x = 1,765,424,105.47
  5. Step 5: Solve for x
    x = 1,765,424,105.47/69,520.16
  6. Step 6: Final answer
    x = 25,394.42

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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.