Home / 20,452.12-30,633.21-16,901.89

Finding the Fourth Proportional to 20,452.12, 30,633.21 and 16,901.89

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Solution

The fourth proportional to 20,452.12, 30,633.21 and 16,901.89 is: 25,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.12 : 30,633.21 = 16,901.89 : x
  2. Step 2: Convert to fraction form
    20,452.12/30,633.21 = 16,901.89/x
  3. Step 3: Cross multiply
    20,452.12x = 30,633.21 × 16,901.89
  4. Step 4: Simplify right side
    20,452.12x = 517,759,069.18
  5. Step 5: Solve for x
    x = 517,759,069.18/20,452.12
  6. Step 6: Final answer
    x = 25,315.67

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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.