Home / 28,169.24-38,873.52-17,558.91

Finding the Fourth Proportional to 28,169.24, 38,873.52 and 17,558.91

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Solution

The fourth proportional to 28,169.24, 38,873.52 and 17,558.91 is: 24,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.24 : 38,873.52 = 17,558.91 : x
  2. Step 2: Convert to fraction form
    28,169.24/38,873.52 = 17,558.91/x
  3. Step 3: Cross multiply
    28,169.24x = 38,873.52 × 17,558.91
  4. Step 4: Simplify right side
    28,169.24x = 682,576,639.06
  5. Step 5: Solve for x
    x = 682,576,639.06/28,169.24
  6. Step 6: Final answer
    x = 24,231.28

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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.