Home / 25,816.72-38,721.42-8,284.27

Finding the Fourth Proportional to 25,816.72, 38,721.42 and 8,284.27

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Solution

The fourth proportional to 25,816.72, 38,721.42 and 8,284.27 is: 12,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.72 : 38,721.42 = 8,284.27 : x
  2. Step 2: Convert to fraction form
    25,816.72/38,721.42 = 8,284.27/x
  3. Step 3: Cross multiply
    25,816.72x = 38,721.42 × 8,284.27
  4. Step 4: Simplify right side
    25,816.72x = 320,778,698.06
  5. Step 5: Solve for x
    x = 320,778,698.06/25,816.72
  6. Step 6: Final answer
    x = 12,425.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.