Home / 27,119.66-40,683.33-8,401.28

Finding the Fourth Proportional to 27,119.66, 40,683.33 and 8,401.28

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Solution

The fourth proportional to 27,119.66, 40,683.33 and 8,401.28 is: 12,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.66 : 40,683.33 = 8,401.28 : x
  2. Step 2: Convert to fraction form
    27,119.66/40,683.33 = 8,401.28/x
  3. Step 3: Cross multiply
    27,119.66x = 40,683.33 × 8,401.28
  4. Step 4: Simplify right side
    27,119.66x = 341,791,843.25
  5. Step 5: Solve for x
    x = 341,791,843.25/27,119.66
  6. Step 6: Final answer
    x = 12,603.10

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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.