Home / 19,548.42-29,322.60-13,731

Finding the Fourth Proportional to 19,548.42, 29,322.60 and 13,731

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Solution

The fourth proportional to 19,548.42, 29,322.60 and 13,731 is: 20,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.42 : 29,322.60 = 13,731 : x
  2. Step 2: Convert to fraction form
    19,548.42/29,322.60 = 13,731/x
  3. Step 3: Cross multiply
    19,548.42x = 29,322.60 × 13,731
  4. Step 4: Simplify right side
    19,548.42x = 402,628,620.60
  5. Step 5: Solve for x
    x = 402,628,620.60/19,548.42
  6. Step 6: Final answer
    x = 20,596.48

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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.