Home / 19,628.58-29,443.84-5,589.60

Finding the Fourth Proportional to 19,628.58, 29,443.84 and 5,589.60

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Solution

The fourth proportional to 19,628.58, 29,443.84 and 5,589.60 is: 8,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.58 : 29,443.84 = 5,589.60 : x
  2. Step 2: Convert to fraction form
    19,628.58/29,443.84 = 5,589.60/x
  3. Step 3: Cross multiply
    19,628.58x = 29,443.84 × 5,589.60
  4. Step 4: Simplify right side
    19,628.58x = 164,579,163.68
  5. Step 5: Solve for x
    x = 164,579,163.68/19,628.58
  6. Step 6: Final answer
    x = 8,384.67

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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.