Home / 21,777.08-32,680.21-9,300.02

Finding the Fourth Proportional to 21,777.08, 32,680.21 and 9,300.02

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Solution

The fourth proportional to 21,777.08, 32,680.21 and 9,300.02 is: 13,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777.08 : 32,680.21 = 9,300.02 : x
  2. Step 2: Convert to fraction form
    21,777.08/32,680.21 = 9,300.02/x
  3. Step 3: Cross multiply
    21,777.08x = 32,680.21 × 9,300.02
  4. Step 4: Simplify right side
    21,777.08x = 303,926,665.05
  5. Step 5: Solve for x
    x = 303,926,665.05/21,777.08
  6. Step 6: Final answer
    x = 13,956.27

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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.