Home / 21,728.56-32,592.84-11,360.56

Finding the Fourth Proportional to 21,728.56, 32,592.84 and 11,360.56

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Solution

The fourth proportional to 21,728.56, 32,592.84 and 11,360.56 is: 17,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728.56 : 32,592.84 = 11,360.56 : x
  2. Step 2: Convert to fraction form
    21,728.56/32,592.84 = 11,360.56/x
  3. Step 3: Cross multiply
    21,728.56x = 32,592.84 × 11,360.56
  4. Step 4: Simplify right side
    21,728.56x = 370,272,914.39
  5. Step 5: Solve for x
    x = 370,272,914.39/21,728.56
  6. Step 6: Final answer
    x = 17,040.84

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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.