Home / 22,227.76-30,675.44-12,797.68

Finding the Fourth Proportional to 22,227.76, 30,675.44 and 12,797.68

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Solution

The fourth proportional to 22,227.76, 30,675.44 and 12,797.68 is: 17,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.76 : 30,675.44 = 12,797.68 : x
  2. Step 2: Convert to fraction form
    22,227.76/30,675.44 = 12,797.68/x
  3. Step 3: Cross multiply
    22,227.76x = 30,675.44 × 12,797.68
  4. Step 4: Simplify right side
    22,227.76x = 392,574,464.98
  5. Step 5: Solve for x
    x = 392,574,464.98/22,227.76
  6. Step 6: Final answer
    x = 17,661.45

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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.