Home / 17,328.79-25,996.39-5,485.55

Finding the Fourth Proportional to 17,328.79, 25,996.39 and 5,485.55

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Solution

The fourth proportional to 17,328.79, 25,996.39 and 5,485.55 is: 8,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.79 : 25,996.39 = 5,485.55 : x
  2. Step 2: Convert to fraction form
    17,328.79/25,996.39 = 5,485.55/x
  3. Step 3: Cross multiply
    17,328.79x = 25,996.39 × 5,485.55
  4. Step 4: Simplify right side
    17,328.79x = 142,604,457.44
  5. Step 5: Solve for x
    x = 142,604,457.44/17,328.79
  6. Step 6: Final answer
    x = 8,229.34

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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.