Home / 28,563.07-42,795.39-22,240.21

Finding the Fourth Proportional to 28,563.07, 42,795.39 and 22,240.21

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Solution

The fourth proportional to 28,563.07, 42,795.39 and 22,240.21 is: 33,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.07 : 42,795.39 = 22,240.21 : x
  2. Step 2: Convert to fraction form
    28,563.07/42,795.39 = 22,240.21/x
  3. Step 3: Cross multiply
    28,563.07x = 42,795.39 × 22,240.21
  4. Step 4: Simplify right side
    28,563.07x = 951,778,246.65
  5. Step 5: Solve for x
    x = 951,778,246.65/28,563.07
  6. Step 6: Final answer
    x = 33,321.99

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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.