Home / 19,629.15-29,443.03-5,589.25

Finding the Fourth Proportional to 19,629.15, 29,443.03 and 5,589.25

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Solution

The fourth proportional to 19,629.15, 29,443.03 and 5,589.25 is: 8,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.15 : 29,443.03 = 5,589.25 : x
  2. Step 2: Convert to fraction form
    19,629.15/29,443.03 = 5,589.25/x
  3. Step 3: Cross multiply
    19,629.15x = 29,443.03 × 5,589.25
  4. Step 4: Simplify right side
    19,629.15x = 164,564,280.27
  5. Step 5: Solve for x
    x = 164,564,280.27/19,629.15
  6. Step 6: Final answer
    x = 8,383.67

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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.