Home / 21,640.24-32,464.36-6,852.88

Finding the Fourth Proportional to 21,640.24, 32,464.36 and 6,852.88

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Solution

The fourth proportional to 21,640.24, 32,464.36 and 6,852.88 is: 10,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.24 : 32,464.36 = 6,852.88 : x
  2. Step 2: Convert to fraction form
    21,640.24/32,464.36 = 6,852.88/x
  3. Step 3: Cross multiply
    21,640.24x = 32,464.36 × 6,852.88
  4. Step 4: Simplify right side
    21,640.24x = 222,474,363.36
  5. Step 5: Solve for x
    x = 222,474,363.36/21,640.24
  6. Step 6: Final answer
    x = 10,280.59

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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.