Home / 21,511.44-32,266.08-20,373.84

Finding the Fourth Proportional to 21,511.44, 32,266.08 and 20,373.84

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Solution

The fourth proportional to 21,511.44, 32,266.08 and 20,373.84 is: 30,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.44 : 32,266.08 = 20,373.84 : x
  2. Step 2: Convert to fraction form
    21,511.44/32,266.08 = 20,373.84/x
  3. Step 3: Cross multiply
    21,511.44x = 32,266.08 × 20,373.84
  4. Step 4: Simplify right side
    21,511.44x = 657,383,951.35
  5. Step 5: Solve for x
    x = 657,383,951.35/21,511.44
  6. Step 6: Final answer
    x = 30,559.74

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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.