Home / 28,535.05-42,799.33-11,003.41

Finding the Fourth Proportional to 28,535.05, 42,799.33 and 11,003.41

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Solution

The fourth proportional to 28,535.05, 42,799.33 and 11,003.41 is: 16,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.05 : 42,799.33 = 11,003.41 : x
  2. Step 2: Convert to fraction form
    28,535.05/42,799.33 = 11,003.41/x
  3. Step 3: Cross multiply
    28,535.05x = 42,799.33 × 11,003.41
  4. Step 4: Simplify right side
    28,535.05x = 470,938,575.72
  5. Step 5: Solve for x
    x = 470,938,575.72/28,535.05
  6. Step 6: Final answer
    x = 16,503.86

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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.