Home / 19,021.68-28,532.52-10,311.75

Finding the Fourth Proportional to 19,021.68, 28,532.52 and 10,311.75

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Solution

The fourth proportional to 19,021.68, 28,532.52 and 10,311.75 is: 15,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.68 : 28,532.52 = 10,311.75 : x
  2. Step 2: Convert to fraction form
    19,021.68/28,532.52 = 10,311.75/x
  3. Step 3: Cross multiply
    19,021.68x = 28,532.52 × 10,311.75
  4. Step 4: Simplify right side
    19,021.68x = 294,220,213.11
  5. Step 5: Solve for x
    x = 294,220,213.11/19,021.68
  6. Step 6: Final answer
    x = 15,467.63

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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.