Home / 28,980.88-39,994.13-16,233.96

Finding the Fourth Proportional to 28,980.88, 39,994.13 and 16,233.96

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Solution

The fourth proportional to 28,980.88, 39,994.13 and 16,233.96 is: 22,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.88 : 39,994.13 = 16,233.96 : x
  2. Step 2: Convert to fraction form
    28,980.88/39,994.13 = 16,233.96/x
  3. Step 3: Cross multiply
    28,980.88x = 39,994.13 × 16,233.96
  4. Step 4: Simplify right side
    28,980.88x = 649,263,106.65
  5. Step 5: Solve for x
    x = 649,263,106.65/28,980.88
  6. Step 6: Final answer
    x = 22,403.15

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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.