Home / 22,489.64-31,039.44-21,493.16

Finding the Fourth Proportional to 22,489.64, 31,039.44 and 21,493.16

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Solution

The fourth proportional to 22,489.64, 31,039.44 and 21,493.16 is: 29,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.64 : 31,039.44 = 21,493.16 : x
  2. Step 2: Convert to fraction form
    22,489.64/31,039.44 = 21,493.16/x
  3. Step 3: Cross multiply
    22,489.64x = 31,039.44 × 21,493.16
  4. Step 4: Simplify right side
    22,489.64x = 667,135,650.23
  5. Step 5: Solve for x
    x = 667,135,650.23/22,489.64
  6. Step 6: Final answer
    x = 29,664.13

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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.