Home / 21,559.70-32,339.48-6,769.72

Finding the Fourth Proportional to 21,559.70, 32,339.48 and 6,769.72

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Solution

The fourth proportional to 21,559.70, 32,339.48 and 6,769.72 is: 10,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.70 : 32,339.48 = 6,769.72 : x
  2. Step 2: Convert to fraction form
    21,559.70/32,339.48 = 6,769.72/x
  3. Step 3: Cross multiply
    21,559.70x = 32,339.48 × 6,769.72
  4. Step 4: Simplify right side
    21,559.70x = 218,929,224.55
  5. Step 5: Solve for x
    x = 218,929,224.55/21,559.70
  6. Step 6: Final answer
    x = 10,154.56

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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.