Home / 55,022.28-82,476.91-21,728.85

Finding the Fourth Proportional to 55,022.28, 82,476.91 and 21,728.85

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Solution

The fourth proportional to 55,022.28, 82,476.91 and 21,728.85 is: 32,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.28 : 82,476.91 = 21,728.85 : x
  2. Step 2: Convert to fraction form
    55,022.28/82,476.91 = 21,728.85/x
  3. Step 3: Cross multiply
    55,022.28x = 82,476.91 × 21,728.85
  4. Step 4: Simplify right side
    55,022.28x = 1,792,128,405.85
  5. Step 5: Solve for x
    x = 1,792,128,405.85/55,022.28
  6. Step 6: Final answer
    x = 32,570.96

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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.