Home / 19,932.41-29,871.48-9,400.79

Finding the Fourth Proportional to 19,932.41, 29,871.48 and 9,400.79

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Solution

The fourth proportional to 19,932.41, 29,871.48 and 9,400.79 is: 14,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.41 : 29,871.48 = 9,400.79 : x
  2. Step 2: Convert to fraction form
    19,932.41/29,871.48 = 9,400.79/x
  3. Step 3: Cross multiply
    19,932.41x = 29,871.48 × 9,400.79
  4. Step 4: Simplify right side
    19,932.41x = 280,815,620.40
  5. Step 5: Solve for x
    x = 280,815,620.40/19,932.41
  6. Step 6: Final answer
    x = 14,088.39

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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.