Home / 19,582.55-27,037.97-12,039

Finding the Fourth Proportional to 19,582.55, 27,037.97 and 12,039

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Solution

The fourth proportional to 19,582.55, 27,037.97 and 12,039 is: 16,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.55 : 27,037.97 = 12,039 : x
  2. Step 2: Convert to fraction form
    19,582.55/27,037.97 = 12,039/x
  3. Step 3: Cross multiply
    19,582.55x = 27,037.97 × 12,039
  4. Step 4: Simplify right side
    19,582.55x = 325,510,120.83
  5. Step 5: Solve for x
    x = 325,510,120.83/19,582.55
  6. Step 6: Final answer
    x = 16,622.46

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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.