Home / 21,824.42-32,750.96-11,970.60

Finding the Fourth Proportional to 21,824.42, 32,750.96 and 11,970.60

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Solution

The fourth proportional to 21,824.42, 32,750.96 and 11,970.60 is: 17,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.42 : 32,750.96 = 11,970.60 : x
  2. Step 2: Convert to fraction form
    21,824.42/32,750.96 = 11,970.60/x
  3. Step 3: Cross multiply
    21,824.42x = 32,750.96 × 11,970.60
  4. Step 4: Simplify right side
    21,824.42x = 392,048,641.78
  5. Step 5: Solve for x
    x = 392,048,641.78/21,824.42
  6. Step 6: Final answer
    x = 17,963.76

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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.