Home / 27,257.76-40,900.32-12,465.36

Finding the Fourth Proportional to 27,257.76, 40,900.32 and 12,465.36

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Solution

The fourth proportional to 27,257.76, 40,900.32 and 12,465.36 is: 18,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.76 : 40,900.32 = 12,465.36 : x
  2. Step 2: Convert to fraction form
    27,257.76/40,900.32 = 12,465.36/x
  3. Step 3: Cross multiply
    27,257.76x = 40,900.32 × 12,465.36
  4. Step 4: Simplify right side
    27,257.76x = 509,837,212.92
  5. Step 5: Solve for x
    x = 509,837,212.92/27,257.76
  6. Step 6: Final answer
    x = 18,704.30

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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.