Home / 19,522.38-29,280.26-5,479.19

Finding the Fourth Proportional to 19,522.38, 29,280.26 and 5,479.19

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Solution

The fourth proportional to 19,522.38, 29,280.26 and 5,479.19 is: 8,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.38 : 29,280.26 = 5,479.19 : x
  2. Step 2: Convert to fraction form
    19,522.38/29,280.26 = 5,479.19/x
  3. Step 3: Cross multiply
    19,522.38x = 29,280.26 × 5,479.19
  4. Step 4: Simplify right side
    19,522.38x = 160,431,933.99
  5. Step 5: Solve for x
    x = 160,431,933.99/19,522.38
  6. Step 6: Final answer
    x = 8,217.85

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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.