Home / 21,825.80-32,743.56-9,346.40

Finding the Fourth Proportional to 21,825.80, 32,743.56 and 9,346.40

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Solution

The fourth proportional to 21,825.80, 32,743.56 and 9,346.40 is: 14,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.80 : 32,743.56 = 9,346.40 : x
  2. Step 2: Convert to fraction form
    21,825.80/32,743.56 = 9,346.40/x
  3. Step 3: Cross multiply
    21,825.80x = 32,743.56 × 9,346.40
  4. Step 4: Simplify right side
    21,825.80x = 306,034,409.18
  5. Step 5: Solve for x
    x = 306,034,409.18/21,825.80
  6. Step 6: Final answer
    x = 14,021.68

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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.