Home / 21,733.74-32,629.77-12,865.46

Finding the Fourth Proportional to 21,733.74, 32,629.77 and 12,865.46

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Solution

The fourth proportional to 21,733.74, 32,629.77 and 12,865.46 is: 19,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.74 : 32,629.77 = 12,865.46 : x
  2. Step 2: Convert to fraction form
    21,733.74/32,629.77 = 12,865.46/x
  3. Step 3: Cross multiply
    21,733.74x = 32,629.77 × 12,865.46
  4. Step 4: Simplify right side
    21,733.74x = 419,796,837.60
  5. Step 5: Solve for x
    x = 419,796,837.60/21,733.74
  6. Step 6: Final answer
    x = 19,315.44

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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.