Home / 23,121.36-31,893.48-14,723.28

Finding the Fourth Proportional to 23,121.36, 31,893.48 and 14,723.28

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Solution

The fourth proportional to 23,121.36, 31,893.48 and 14,723.28 is: 20,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.36 : 31,893.48 = 14,723.28 : x
  2. Step 2: Convert to fraction form
    23,121.36/31,893.48 = 14,723.28/x
  3. Step 3: Cross multiply
    23,121.36x = 31,893.48 × 14,723.28
  4. Step 4: Simplify right side
    23,121.36x = 469,576,636.21
  5. Step 5: Solve for x
    x = 469,576,636.21/23,121.36
  6. Step 6: Final answer
    x = 20,309.21

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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.