Home / 19,678.63-29,485.14-16,179.43

Finding the Fourth Proportional to 19,678.63, 29,485.14 and 16,179.43

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Solution

The fourth proportional to 19,678.63, 29,485.14 and 16,179.43 is: 24,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.63 : 29,485.14 = 16,179.43 : x
  2. Step 2: Convert to fraction form
    19,678.63/29,485.14 = 16,179.43/x
  3. Step 3: Cross multiply
    19,678.63x = 29,485.14 × 16,179.43
  4. Step 4: Simplify right side
    19,678.63x = 477,052,758.67
  5. Step 5: Solve for x
    x = 477,052,758.67/19,678.63
  6. Step 6: Final answer
    x = 24,242.17

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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.