Home / 28,326.13-42,450.93-10,786.39

Finding the Fourth Proportional to 28,326.13, 42,450.93 and 10,786.39

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Solution

The fourth proportional to 28,326.13, 42,450.93 and 10,786.39 is: 16,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.13 : 42,450.93 = 10,786.39 : x
  2. Step 2: Convert to fraction form
    28,326.13/42,450.93 = 10,786.39/x
  3. Step 3: Cross multiply
    28,326.13x = 42,450.93 × 10,786.39
  4. Step 4: Simplify right side
    28,326.13x = 457,892,286.84
  5. Step 5: Solve for x
    x = 457,892,286.84/28,326.13
  6. Step 6: Final answer
    x = 16,165.01

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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.