Home / 21,708.12-32,566.50-9,228.02

Finding the Fourth Proportional to 21,708.12, 32,566.50 and 9,228.02

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Solution

The fourth proportional to 21,708.12, 32,566.50 and 9,228.02 is: 13,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.12 : 32,566.50 = 9,228.02 : x
  2. Step 2: Convert to fraction form
    21,708.12/32,566.50 = 9,228.02/x
  3. Step 3: Cross multiply
    21,708.12x = 32,566.50 × 9,228.02
  4. Step 4: Simplify right side
    21,708.12x = 300,524,313.33
  5. Step 5: Solve for x
    x = 300,524,313.33/21,708.12
  6. Step 6: Final answer
    x = 13,843.87

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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.