Home / 27,940.12-41,929.02-10,409.96

Finding the Fourth Proportional to 27,940.12, 41,929.02 and 10,409.96

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Solution

The fourth proportional to 27,940.12, 41,929.02 and 10,409.96 is: 15,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.12 : 41,929.02 = 10,409.96 : x
  2. Step 2: Convert to fraction form
    27,940.12/41,929.02 = 10,409.96/x
  3. Step 3: Cross multiply
    27,940.12x = 41,929.02 × 10,409.96
  4. Step 4: Simplify right side
    27,940.12x = 436,479,421.04
  5. Step 5: Solve for x
    x = 436,479,421.04/27,940.12
  6. Step 6: Final answer
    x = 15,621.96

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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.