Home / 27,119.79-40,689.69-11,326.47

Finding the Fourth Proportional to 27,119.79, 40,689.69 and 11,326.47

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Solution

The fourth proportional to 27,119.79, 40,689.69 and 11,326.47 is: 16,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.79 : 40,689.69 = 11,326.47 : x
  2. Step 2: Convert to fraction form
    27,119.79/40,689.69 = 11,326.47/x
  3. Step 3: Cross multiply
    27,119.79x = 40,689.69 × 11,326.47
  4. Step 4: Simplify right side
    27,119.79x = 460,870,553.09
  5. Step 5: Solve for x
    x = 460,870,553.09/27,119.79
  6. Step 6: Final answer
    x = 16,993.88

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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.