Home / 20,568.88-30,840.36-17,449.98

Finding the Fourth Proportional to 20,568.88, 30,840.36 and 17,449.98

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Solution

The fourth proportional to 20,568.88, 30,840.36 and 17,449.98 is: 26,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.88 : 30,840.36 = 17,449.98 : x
  2. Step 2: Convert to fraction form
    20,568.88/30,840.36 = 17,449.98/x
  3. Step 3: Cross multiply
    20,568.88x = 30,840.36 × 17,449.98
  4. Step 4: Simplify right side
    20,568.88x = 538,163,665.19
  5. Step 5: Solve for x
    x = 538,163,665.19/20,568.88
  6. Step 6: Final answer
    x = 26,163.98

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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.