Home / 17,617.28-26,401.28-8,247.20

Finding the Fourth Proportional to 17,617.28, 26,401.28 and 8,247.20

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Solution

The fourth proportional to 17,617.28, 26,401.28 and 8,247.20 is: 12,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.28 : 26,401.28 = 8,247.20 : x
  2. Step 2: Convert to fraction form
    17,617.28/26,401.28 = 8,247.20/x
  3. Step 3: Cross multiply
    17,617.28x = 26,401.28 × 8,247.20
  4. Step 4: Simplify right side
    17,617.28x = 217,736,636.42
  5. Step 5: Solve for x
    x = 217,736,636.42/17,617.28
  6. Step 6: Final answer
    x = 12,359.27

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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.