Home / 21,984.60-32,939.10-10,273.80

Finding the Fourth Proportional to 21,984.60, 32,939.10 and 10,273.80

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Solution

The fourth proportional to 21,984.60, 32,939.10 and 10,273.80 is: 15,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.60 : 32,939.10 = 10,273.80 : x
  2. Step 2: Convert to fraction form
    21,984.60/32,939.10 = 10,273.80/x
  3. Step 3: Cross multiply
    21,984.60x = 32,939.10 × 10,273.80
  4. Step 4: Simplify right side
    21,984.60x = 338,409,725.58
  5. Step 5: Solve for x
    x = 338,409,725.58/21,984.60
  6. Step 6: Final answer
    x = 15,393.04

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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.