Home / 23,134.36-31,943.82-21,365.32

Finding the Fourth Proportional to 23,134.36, 31,943.82 and 21,365.32

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Solution

The fourth proportional to 23,134.36, 31,943.82 and 21,365.32 is: 29,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,134.36 : 31,943.82 = 21,365.32 : x
  2. Step 2: Convert to fraction form
    23,134.36/31,943.82 = 21,365.32/x
  3. Step 3: Cross multiply
    23,134.36x = 31,943.82 × 21,365.32
  4. Step 4: Simplify right side
    23,134.36x = 682,489,936.32
  5. Step 5: Solve for x
    x = 682,489,936.32/23,134.36
  6. Step 6: Final answer
    x = 29,501.14

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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.