Home / 21,816.01-32,735.76-8,668.50

Finding the Fourth Proportional to 21,816.01, 32,735.76 and 8,668.50

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Solution

The fourth proportional to 21,816.01, 32,735.76 and 8,668.50 is: 13,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.01 : 32,735.76 = 8,668.50 : x
  2. Step 2: Convert to fraction form
    21,816.01/32,735.76 = 8,668.50/x
  3. Step 3: Cross multiply
    21,816.01x = 32,735.76 × 8,668.50
  4. Step 4: Simplify right side
    21,816.01x = 283,769,935.56
  5. Step 5: Solve for x
    x = 283,769,935.56/21,816.01
  6. Step 6: Final answer
    x = 13,007.42

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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.