Home / 69,519.90-104,278.77-16,928.94

Finding the Fourth Proportional to 69,519.90, 104,278.77 and 16,928.94

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Solution

The fourth proportional to 69,519.90, 104,278.77 and 16,928.94 is: 25,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,519.90 : 104,278.77 = 16,928.94 : x
  2. Step 2: Convert to fraction form
    69,519.90/104,278.77 = 16,928.94/x
  3. Step 3: Cross multiply
    69,519.90x = 104,278.77 × 16,928.94
  4. Step 4: Simplify right side
    69,519.90x = 1,765,329,040.60
  5. Step 5: Solve for x
    x = 1,765,329,040.60/69,519.90
  6. Step 6: Final answer
    x = 25,393.15

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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.