Home / 21,541.92-32,293.32-7,687.68

Finding the Fourth Proportional to 21,541.92, 32,293.32 and 7,687.68

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Solution

The fourth proportional to 21,541.92, 32,293.32 and 7,687.68 is: 11,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.92 : 32,293.32 = 7,687.68 : x
  2. Step 2: Convert to fraction form
    21,541.92/32,293.32 = 7,687.68/x
  3. Step 3: Cross multiply
    21,541.92x = 32,293.32 × 7,687.68
  4. Step 4: Simplify right side
    21,541.92x = 248,260,710.30
  5. Step 5: Solve for x
    x = 248,260,710.30/21,541.92
  6. Step 6: Final answer
    x = 11,524.54

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1.5x scale

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.