Home / 27,286.58-40,929.88-12,276.17

Finding the Fourth Proportional to 27,286.58, 40,929.88 and 12,276.17

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Solution

The fourth proportional to 27,286.58, 40,929.88 and 12,276.17 is: 18,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.58 : 40,929.88 = 12,276.17 : x
  2. Step 2: Convert to fraction form
    27,286.58/40,929.88 = 12,276.17/x
  3. Step 3: Cross multiply
    27,286.58x = 40,929.88 × 12,276.17
  4. Step 4: Simplify right side
    27,286.58x = 502,462,088.86
  5. Step 5: Solve for x
    x = 502,462,088.86/27,286.58
  6. Step 6: Final answer
    x = 18,414.26

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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.