Home / 20,401.38-30,577.46-10,535.27

Finding the Fourth Proportional to 20,401.38, 30,577.46 and 10,535.27

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Solution

The fourth proportional to 20,401.38, 30,577.46 and 10,535.27 is: 15,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.38 : 30,577.46 = 10,535.27 : x
  2. Step 2: Convert to fraction form
    20,401.38/30,577.46 = 10,535.27/x
  3. Step 3: Cross multiply
    20,401.38x = 30,577.46 × 10,535.27
  4. Step 4: Simplify right side
    20,401.38x = 322,141,591.45
  5. Step 5: Solve for x
    x = 322,141,591.45/20,401.38
  6. Step 6: Final answer
    x = 15,790.19

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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.