Home / 21,995.53-32,993.36-5,355.56

Finding the Fourth Proportional to 21,995.53, 32,993.36 and 5,355.56

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Solution

The fourth proportional to 21,995.53, 32,993.36 and 5,355.56 is: 8,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.53 : 32,993.36 = 5,355.56 : x
  2. Step 2: Convert to fraction form
    21,995.53/32,993.36 = 5,355.56/x
  3. Step 3: Cross multiply
    21,995.53x = 32,993.36 × 5,355.56
  4. Step 4: Simplify right side
    21,995.53x = 176,697,919.08
  5. Step 5: Solve for x
    x = 176,697,919.08/21,995.53
  6. Step 6: Final answer
    x = 8,033.36

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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.