Home / 27,185.63-40,775.40-9,414.43

Finding the Fourth Proportional to 27,185.63, 40,775.40 and 9,414.43

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Solution

The fourth proportional to 27,185.63, 40,775.40 and 9,414.43 is: 14,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.63 : 40,775.40 = 9,414.43 : x
  2. Step 2: Convert to fraction form
    27,185.63/40,775.40 = 9,414.43/x
  3. Step 3: Cross multiply
    27,185.63x = 40,775.40 × 9,414.43
  4. Step 4: Simplify right side
    27,185.63x = 383,877,047.08
  5. Step 5: Solve for x
    x = 383,877,047.08/27,185.63
  6. Step 6: Final answer
    x = 14,120.59

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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.