Home / 28,195.67-42,314.00-22,715.21

Finding the Fourth Proportional to 28,195.67, 42,314.00 and 22,715.21

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Solution

The fourth proportional to 28,195.67, 42,314.00 and 22,715.21 is: 34,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.67 : 42,314.00 = 22,715.21 : x
  2. Step 2: Convert to fraction form
    28,195.67/42,314.00 = 22,715.21/x
  3. Step 3: Cross multiply
    28,195.67x = 42,314.00 × 22,715.21
  4. Step 4: Simplify right side
    28,195.67x = 961,171,388.15
  5. Step 5: Solve for x
    x = 961,171,388.15/28,195.67
  6. Step 6: Final answer
    x = 34,089.32

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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.