Home / 21,824.60-32,751.27-11,970.81

Finding the Fourth Proportional to 21,824.60, 32,751.27 and 11,970.81

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Solution

The fourth proportional to 21,824.60, 32,751.27 and 11,970.81 is: 17,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.60 : 32,751.27 = 11,970.81 : x
  2. Step 2: Convert to fraction form
    21,824.60/32,751.27 = 11,970.81/x
  3. Step 3: Cross multiply
    21,824.60x = 32,751.27 × 11,970.81
  4. Step 4: Simplify right side
    21,824.60x = 392,059,230.43
  5. Step 5: Solve for x
    x = 392,059,230.43/21,824.60
  6. Step 6: Final answer
    x = 17,964.09

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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.