Home / 27,827.35-38,401.67-15,080.89

Finding the Fourth Proportional to 27,827.35, 38,401.67 and 15,080.89

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Solution

The fourth proportional to 27,827.35, 38,401.67 and 15,080.89 is: 20,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.35 : 38,401.67 = 15,080.89 : x
  2. Step 2: Convert to fraction form
    27,827.35/38,401.67 = 15,080.89/x
  3. Step 3: Cross multiply
    27,827.35x = 38,401.67 × 15,080.89
  4. Step 4: Simplify right side
    27,827.35x = 579,131,361.09
  5. Step 5: Solve for x
    x = 579,131,361.09/27,827.35
  6. Step 6: Final answer
    x = 20,811.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.