Home / 28,857.64-43,292.94-9,134.68

Finding the Fourth Proportional to 28,857.64, 43,292.94 and 9,134.68

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Solution

The fourth proportional to 28,857.64, 43,292.94 and 9,134.68 is: 13,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.64 : 43,292.94 = 9,134.68 : x
  2. Step 2: Convert to fraction form
    28,857.64/43,292.94 = 9,134.68/x
  3. Step 3: Cross multiply
    28,857.64x = 43,292.94 × 9,134.68
  4. Step 4: Simplify right side
    28,857.64x = 395,467,153.16
  5. Step 5: Solve for x
    x = 395,467,153.16/28,857.64
  6. Step 6: Final answer
    x = 13,704.07

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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.