Home / 21,825.16-32,741.26-8,677.64

Finding the Fourth Proportional to 21,825.16, 32,741.26 and 8,677.64

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Solution

The fourth proportional to 21,825.16, 32,741.26 and 8,677.64 is: 13,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.16 : 32,741.26 = 8,677.64 : x
  2. Step 2: Convert to fraction form
    21,825.16/32,741.26 = 8,677.64/x
  3. Step 3: Cross multiply
    21,825.16x = 32,741.26 × 8,677.64
  4. Step 4: Simplify right side
    21,825.16x = 284,116,867.43
  5. Step 5: Solve for x
    x = 284,116,867.43/21,825.16
  6. Step 6: Final answer
    x = 13,017.86

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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.