Home / 28,853.12-43,276.44-8,078.24

Finding the Fourth Proportional to 28,853.12, 43,276.44 and 8,078.24

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Solution

The fourth proportional to 28,853.12, 43,276.44 and 8,078.24 is: 12,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.12 : 43,276.44 = 8,078.24 : x
  2. Step 2: Convert to fraction form
    28,853.12/43,276.44 = 8,078.24/x
  3. Step 3: Cross multiply
    28,853.12x = 43,276.44 × 8,078.24
  4. Step 4: Simplify right side
    28,853.12x = 349,597,468.67
  5. Step 5: Solve for x
    x = 349,597,468.67/28,853.12
  6. Step 6: Final answer
    x = 12,116.45

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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.