Home / 28,250.85-42,324.62-13,230.41

Finding the Fourth Proportional to 28,250.85, 42,324.62 and 13,230.41

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Solution

The fourth proportional to 28,250.85, 42,324.62 and 13,230.41 is: 19,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.85 : 42,324.62 = 13,230.41 : x
  2. Step 2: Convert to fraction form
    28,250.85/42,324.62 = 13,230.41/x
  3. Step 3: Cross multiply
    28,250.85x = 42,324.62 × 13,230.41
  4. Step 4: Simplify right side
    28,250.85x = 559,972,115.35
  5. Step 5: Solve for x
    x = 559,972,115.35/28,250.85
  6. Step 6: Final answer
    x = 19,821.43

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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.