Home / 20,037.52-27,651.24-11,085.20

Finding the Fourth Proportional to 20,037.52, 27,651.24 and 11,085.20

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Solution

The fourth proportional to 20,037.52, 27,651.24 and 11,085.20 is: 15,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.52 : 27,651.24 = 11,085.20 : x
  2. Step 2: Convert to fraction form
    20,037.52/27,651.24 = 11,085.20/x
  3. Step 3: Cross multiply
    20,037.52x = 27,651.24 × 11,085.20
  4. Step 4: Simplify right side
    20,037.52x = 306,519,525.65
  5. Step 5: Solve for x
    x = 306,519,525.65/20,037.52
  6. Step 6: Final answer
    x = 15,297.28

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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.