Home / 27,326.91-40,995.03-12,537.09

Finding the Fourth Proportional to 27,326.91, 40,995.03 and 12,537.09

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Solution

The fourth proportional to 27,326.91, 40,995.03 and 12,537.09 is: 18,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,326.91 : 40,995.03 = 12,537.09 : x
  2. Step 2: Convert to fraction form
    27,326.91/40,995.03 = 12,537.09/x
  3. Step 3: Cross multiply
    27,326.91x = 40,995.03 × 12,537.09
  4. Step 4: Simplify right side
    27,326.91x = 513,958,441.25
  5. Step 5: Solve for x
    x = 513,958,441.25/27,326.91
  6. Step 6: Final answer
    x = 18,807.78

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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.