Home / 20,401.20-30,576.24-11,041.20

Finding the Fourth Proportional to 20,401.20, 30,576.24 and 11,041.20

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Solution

The fourth proportional to 20,401.20, 30,576.24 and 11,041.20 is: 16,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.20 : 30,576.24 = 11,041.20 : x
  2. Step 2: Convert to fraction form
    20,401.20/30,576.24 = 11,041.20/x
  3. Step 3: Cross multiply
    20,401.20x = 30,576.24 × 11,041.20
  4. Step 4: Simplify right side
    20,401.20x = 337,598,381.09
  5. Step 5: Solve for x
    x = 337,598,381.09/20,401.20
  6. Step 6: Final answer
    x = 16,547.97

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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.