Home / 23,103.20-34,606.20-19,215.20

Finding the Fourth Proportional to 23,103.20, 34,606.20 and 19,215.20

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Solution

The fourth proportional to 23,103.20, 34,606.20 and 19,215.20 is: 28,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.20 : 34,606.20 = 19,215.20 : x
  2. Step 2: Convert to fraction form
    23,103.20/34,606.20 = 19,215.20/x
  3. Step 3: Cross multiply
    23,103.20x = 34,606.20 × 19,215.20
  4. Step 4: Simplify right side
    23,103.20x = 664,965,054.24
  5. Step 5: Solve for x
    x = 664,965,054.24/23,103.20
  6. Step 6: Final answer
    x = 28,782.38

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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.