Home / 28,518.66-42,778.58-8,797.23

Finding the Fourth Proportional to 28,518.66, 42,778.58 and 8,797.23

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Solution

The fourth proportional to 28,518.66, 42,778.58 and 8,797.23 is: 13,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.66 : 42,778.58 = 8,797.23 : x
  2. Step 2: Convert to fraction form
    28,518.66/42,778.58 = 8,797.23/x
  3. Step 3: Cross multiply
    28,518.66x = 42,778.58 × 8,797.23
  4. Step 4: Simplify right side
    28,518.66x = 376,332,963.35
  5. Step 5: Solve for x
    x = 376,332,963.35/28,518.66
  6. Step 6: Final answer
    x = 13,196.03

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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.