Home / 21,828.06-32,745.40-11,148.56

Finding the Fourth Proportional to 21,828.06, 32,745.40 and 11,148.56

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Solution

The fourth proportional to 21,828.06, 32,745.40 and 11,148.56 is: 16,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.06 : 32,745.40 = 11,148.56 : x
  2. Step 2: Convert to fraction form
    21,828.06/32,745.40 = 11,148.56/x
  3. Step 3: Cross multiply
    21,828.06x = 32,745.40 × 11,148.56
  4. Step 4: Simplify right side
    21,828.06x = 365,064,056.62
  5. Step 5: Solve for x
    x = 365,064,056.62/21,828.06
  6. Step 6: Final answer
    x = 16,724.53

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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.