Home / 27,251.28-40,884-12,453.12

Finding the Fourth Proportional to 27,251.28, 40,884 and 12,453.12

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Solution

The fourth proportional to 27,251.28, 40,884 and 12,453.12 is: 18,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.28 : 40,884 = 12,453.12 : x
  2. Step 2: Convert to fraction form
    27,251.28/40,884 = 12,453.12/x
  3. Step 3: Cross multiply
    27,251.28x = 40,884 × 12,453.12
  4. Step 4: Simplify right side
    27,251.28x = 509,133,358.08
  5. Step 5: Solve for x
    x = 509,133,358.08/27,251.28
  6. Step 6: Final answer
    x = 18,682.92

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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.