Home / 27,612.63-41,356.64-12,790.41

Finding the Fourth Proportional to 27,612.63, 41,356.64 and 12,790.41

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Solution

The fourth proportional to 27,612.63, 41,356.64 and 12,790.41 is: 19,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.63 : 41,356.64 = 12,790.41 : x
  2. Step 2: Convert to fraction form
    27,612.63/41,356.64 = 12,790.41/x
  3. Step 3: Cross multiply
    27,612.63x = 41,356.64 × 12,790.41
  4. Step 4: Simplify right side
    27,612.63x = 528,968,317.87
  5. Step 5: Solve for x
    x = 528,968,317.87/27,612.63
  6. Step 6: Final answer
    x = 19,156.75

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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.