Home / 28,588.92-39,452.72-15,668.12

Finding the Fourth Proportional to 28,588.92, 39,452.72 and 15,668.12

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Solution

The fourth proportional to 28,588.92, 39,452.72 and 15,668.12 is: 21,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.92 : 39,452.72 = 15,668.12 : x
  2. Step 2: Convert to fraction form
    28,588.92/39,452.72 = 15,668.12/x
  3. Step 3: Cross multiply
    28,588.92x = 39,452.72 × 15,668.12
  4. Step 4: Simplify right side
    28,588.92x = 618,149,951.29
  5. Step 5: Solve for x
    x = 618,149,951.29/28,588.92
  6. Step 6: Final answer
    x = 21,622.01

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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.