Home / 28,859.70-43,295.13-11,089.02

Finding the Fourth Proportional to 28,859.70, 43,295.13 and 11,089.02

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Solution

The fourth proportional to 28,859.70, 43,295.13 and 11,089.02 is: 16,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.70 : 43,295.13 = 11,089.02 : x
  2. Step 2: Convert to fraction form
    28,859.70/43,295.13 = 11,089.02/x
  3. Step 3: Cross multiply
    28,859.70x = 43,295.13 × 11,089.02
  4. Step 4: Simplify right side
    28,859.70x = 480,100,562.47
  5. Step 5: Solve for x
    x = 480,100,562.47/28,859.70
  6. Step 6: Final answer
    x = 16,635.67

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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.