Home / 17,328.24-25,991.28-5,640.48

Finding the Fourth Proportional to 17,328.24, 25,991.28 and 5,640.48

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Solution

The fourth proportional to 17,328.24, 25,991.28 and 5,640.48 is: 8,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.24 : 25,991.28 = 5,640.48 : x
  2. Step 2: Convert to fraction form
    17,328.24/25,991.28 = 5,640.48/x
  3. Step 3: Cross multiply
    17,328.24x = 25,991.28 × 5,640.48
  4. Step 4: Simplify right side
    17,328.24x = 146,603,295.01
  5. Step 5: Solve for x
    x = 146,603,295.01/17,328.24
  6. Step 6: Final answer
    x = 8,460.37

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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.