Home / 19,420.92-26,800.79-11,037.42

Finding the Fourth Proportional to 19,420.92, 26,800.79 and 11,037.42

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Solution

The fourth proportional to 19,420.92, 26,800.79 and 11,037.42 is: 15,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.92 : 26,800.79 = 11,037.42 : x
  2. Step 2: Convert to fraction form
    19,420.92/26,800.79 = 11,037.42/x
  3. Step 3: Cross multiply
    19,420.92x = 26,800.79 × 11,037.42
  4. Step 4: Simplify right side
    19,420.92x = 295,811,520.37
  5. Step 5: Solve for x
    x = 295,811,520.37/19,420.92
  6. Step 6: Final answer
    x = 15,231.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.