Home / 28,007.64-38,653.20-16,073.64

Finding the Fourth Proportional to 28,007.64, 38,653.20 and 16,073.64

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Solution

The fourth proportional to 28,007.64, 38,653.20 and 16,073.64 is: 22,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.64 : 38,653.20 = 16,073.64 : x
  2. Step 2: Convert to fraction form
    28,007.64/38,653.20 = 16,073.64/x
  3. Step 3: Cross multiply
    28,007.64x = 38,653.20 × 16,073.64
  4. Step 4: Simplify right side
    28,007.64x = 621,297,621.65
  5. Step 5: Solve for x
    x = 621,297,621.65/28,007.64
  6. Step 6: Final answer
    x = 22,183.15

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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.