Home / 21,735.72-29,993.22-17,270.28

Finding the Fourth Proportional to 21,735.72, 29,993.22 and 17,270.28

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Solution

The fourth proportional to 21,735.72, 29,993.22 and 17,270.28 is: 23,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.72 : 29,993.22 = 17,270.28 : x
  2. Step 2: Convert to fraction form
    21,735.72/29,993.22 = 17,270.28/x
  3. Step 3: Cross multiply
    21,735.72x = 29,993.22 × 17,270.28
  4. Step 4: Simplify right side
    21,735.72x = 517,991,307.50
  5. Step 5: Solve for x
    x = 517,991,307.50/21,735.72
  6. Step 6: Final answer
    x = 23,831.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.