Home / 28,763.70-43,149.64-9,035.59

Finding the Fourth Proportional to 28,763.70, 43,149.64 and 9,035.59

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Solution

The fourth proportional to 28,763.70, 43,149.64 and 9,035.59 is: 13,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.70 : 43,149.64 = 9,035.59 : x
  2. Step 2: Convert to fraction form
    28,763.70/43,149.64 = 9,035.59/x
  3. Step 3: Cross multiply
    28,763.70x = 43,149.64 × 9,035.59
  4. Step 4: Simplify right side
    28,763.70x = 389,882,455.69
  5. Step 5: Solve for x
    x = 389,882,455.69/28,763.70
  6. Step 6: Final answer
    x = 13,554.67

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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.