Home / 28,326.23-42,451.07-10,786.49

Finding the Fourth Proportional to 28,326.23, 42,451.07 and 10,786.49

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Solution

The fourth proportional to 28,326.23, 42,451.07 and 10,786.49 is: 16,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.23 : 42,451.07 = 10,786.49 : x
  2. Step 2: Convert to fraction form
    28,326.23/42,451.07 = 10,786.49/x
  3. Step 3: Cross multiply
    28,326.23x = 42,451.07 × 10,786.49
  4. Step 4: Simplify right side
    28,326.23x = 457,898,175.14
  5. Step 5: Solve for x
    x = 457,898,175.14/28,326.23
  6. Step 6: Final answer
    x = 16,165.16

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1.5x scale

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.