Home / 28,621.80-39,452.44-22,562.16

Finding the Fourth Proportional to 28,621.80, 39,452.44 and 22,562.16

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Solution

The fourth proportional to 28,621.80, 39,452.44 and 22,562.16 is: 31,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.80 : 39,452.44 = 22,562.16 : x
  2. Step 2: Convert to fraction form
    28,621.80/39,452.44 = 22,562.16/x
  3. Step 3: Cross multiply
    28,621.80x = 39,452.44 × 22,562.16
  4. Step 4: Simplify right side
    28,621.80x = 890,132,181.82
  5. Step 5: Solve for x
    x = 890,132,181.82/28,621.80
  6. Step 6: Final answer
    x = 31,099.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.