Home / 27,987.05-41,995.16-12,401.03

Finding the Fourth Proportional to 27,987.05, 41,995.16 and 12,401.03

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Solution

The fourth proportional to 27,987.05, 41,995.16 and 12,401.03 is: 18,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,987.05 : 41,995.16 = 12,401.03 : x
  2. Step 2: Convert to fraction form
    27,987.05/41,995.16 = 12,401.03/x
  3. Step 3: Cross multiply
    27,987.05x = 41,995.16 × 12,401.03
  4. Step 4: Simplify right side
    27,987.05x = 520,783,177.01
  5. Step 5: Solve for x
    x = 520,783,177.01/27,987.05
  6. Step 6: Final answer
    x = 18,608.01

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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.