Home / 22,120.53-30,537.27-15,083.85

Finding the Fourth Proportional to 22,120.53, 30,537.27 and 15,083.85

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Solution

The fourth proportional to 22,120.53, 30,537.27 and 15,083.85 is: 20,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.53 : 30,537.27 = 15,083.85 : x
  2. Step 2: Convert to fraction form
    22,120.53/30,537.27 = 15,083.85/x
  3. Step 3: Cross multiply
    22,120.53x = 30,537.27 × 15,083.85
  4. Step 4: Simplify right side
    22,120.53x = 460,619,714.60
  5. Step 5: Solve for x
    x = 460,619,714.60/22,120.53
  6. Step 6: Final answer
    x = 20,823.18

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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.