Home / 27,170.74-40,756.25-12,369.30

Finding the Fourth Proportional to 27,170.74, 40,756.25 and 12,369.30

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Solution

The fourth proportional to 27,170.74, 40,756.25 and 12,369.30 is: 18,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.74 : 40,756.25 = 12,369.30 : x
  2. Step 2: Convert to fraction form
    27,170.74/40,756.25 = 12,369.30/x
  3. Step 3: Cross multiply
    27,170.74x = 40,756.25 × 12,369.30
  4. Step 4: Simplify right side
    27,170.74x = 504,126,283.13
  5. Step 5: Solve for x
    x = 504,126,283.13/27,170.74
  6. Step 6: Final answer
    x = 18,554.01

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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.