Home / 28,711.60-43,021.92-22,153.84

Finding the Fourth Proportional to 28,711.60, 43,021.92 and 22,153.84

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Solution

The fourth proportional to 28,711.60, 43,021.92 and 22,153.84 is: 33,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.60 : 43,021.92 = 22,153.84 : x
  2. Step 2: Convert to fraction form
    28,711.60/43,021.92 = 22,153.84/x
  3. Step 3: Cross multiply
    28,711.60x = 43,021.92 × 22,153.84
  4. Step 4: Simplify right side
    28,711.60x = 953,100,732.17
  5. Step 5: Solve for x
    x = 953,100,732.17/28,711.60
  6. Step 6: Final answer
    x = 33,195.67

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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.