Home / 28,840.32-43,262.91-9,118.44

Finding the Fourth Proportional to 28,840.32, 43,262.91 and 9,118.44

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Solution

The fourth proportional to 28,840.32, 43,262.91 and 9,118.44 is: 13,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.32 : 43,262.91 = 9,118.44 : x
  2. Step 2: Convert to fraction form
    28,840.32/43,262.91 = 9,118.44/x
  3. Step 3: Cross multiply
    28,840.32x = 43,262.91 × 9,118.44
  4. Step 4: Simplify right side
    28,840.32x = 394,490,249.06
  5. Step 5: Solve for x
    x = 394,490,249.06/28,840.32
  6. Step 6: Final answer
    x = 13,678.43

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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.