Home / 21,927.47-32,891.61-7,136.33

Finding the Fourth Proportional to 21,927.47, 32,891.61 and 7,136.33

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Solution

The fourth proportional to 21,927.47, 32,891.61 and 7,136.33 is: 10,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.47 : 32,891.61 = 7,136.33 : x
  2. Step 2: Convert to fraction form
    21,927.47/32,891.61 = 7,136.33/x
  3. Step 3: Cross multiply
    21,927.47x = 32,891.61 × 7,136.33
  4. Step 4: Simplify right side
    21,927.47x = 234,725,383.19
  5. Step 5: Solve for x
    x = 234,725,383.19/21,927.47
  6. Step 6: Final answer
    x = 10,704.63

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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.