Home / 27,028.76-40,532.70-12,979.84

Finding the Fourth Proportional to 27,028.76, 40,532.70 and 12,979.84

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Solution

The fourth proportional to 27,028.76, 40,532.70 and 12,979.84 is: 19,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.76 : 40,532.70 = 12,979.84 : x
  2. Step 2: Convert to fraction form
    27,028.76/40,532.70 = 12,979.84/x
  3. Step 3: Cross multiply
    27,028.76x = 40,532.70 × 12,979.84
  4. Step 4: Simplify right side
    27,028.76x = 526,107,960.77
  5. Step 5: Solve for x
    x = 526,107,960.77/27,028.76
  6. Step 6: Final answer
    x = 19,464.75

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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.