Home / 22,028.77-30,401.21-12,468.67

Finding the Fourth Proportional to 22,028.77, 30,401.21 and 12,468.67

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Solution

The fourth proportional to 22,028.77, 30,401.21 and 12,468.67 is: 17,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.77 : 30,401.21 = 12,468.67 : x
  2. Step 2: Convert to fraction form
    22,028.77/30,401.21 = 12,468.67/x
  3. Step 3: Cross multiply
    22,028.77x = 30,401.21 × 12,468.67
  4. Step 4: Simplify right side
    22,028.77x = 379,062,655.09
  5. Step 5: Solve for x
    x = 379,062,655.09/22,028.77
  6. Step 6: Final answer
    x = 17,207.62

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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.