Home / 28,134.11-38,834.85-16,202.20

Finding the Fourth Proportional to 28,134.11, 38,834.85 and 16,202.20

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Solution

The fourth proportional to 28,134.11, 38,834.85 and 16,202.20 is: 22,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.11 : 38,834.85 = 16,202.20 : x
  2. Step 2: Convert to fraction form
    28,134.11/38,834.85 = 16,202.20/x
  3. Step 3: Cross multiply
    28,134.11x = 38,834.85 × 16,202.20
  4. Step 4: Simplify right side
    28,134.11x = 629,210,006.67
  5. Step 5: Solve for x
    x = 629,210,006.67/28,134.11
  6. Step 6: Final answer
    x = 22,364.67

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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.