Home / 21,533.44-32,348.76-12,774.12

Finding the Fourth Proportional to 21,533.44, 32,348.76 and 12,774.12

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Solution

The fourth proportional to 21,533.44, 32,348.76 and 12,774.12 is: 19,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533.44 : 32,348.76 = 12,774.12 : x
  2. Step 2: Convert to fraction form
    21,533.44/32,348.76 = 12,774.12/x
  3. Step 3: Cross multiply
    21,533.44x = 32,348.76 × 12,774.12
  4. Step 4: Simplify right side
    21,533.44x = 413,226,942.09
  5. Step 5: Solve for x
    x = 413,226,942.09/21,533.44
  6. Step 6: Final answer
    x = 19,190.01

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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.