Home / 21,052.66-31,551.62-8,558.14

Finding the Fourth Proportional to 21,052.66, 31,551.62 and 8,558.14

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Solution

The fourth proportional to 21,052.66, 31,551.62 and 8,558.14 is: 12,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.66 : 31,551.62 = 8,558.14 : x
  2. Step 2: Convert to fraction form
    21,052.66/31,551.62 = 8,558.14/x
  3. Step 3: Cross multiply
    21,052.66x = 31,551.62 × 8,558.14
  4. Step 4: Simplify right side
    21,052.66x = 270,023,181.19
  5. Step 5: Solve for x
    x = 270,023,181.19/21,052.66
  6. Step 6: Final answer
    x = 12,826.08

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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.