Home / 28,715.46-43,052.40-8,983.32

Finding the Fourth Proportional to 28,715.46, 43,052.40 and 8,983.32

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Solution

The fourth proportional to 28,715.46, 43,052.40 and 8,983.32 is: 13,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.46 : 43,052.40 = 8,983.32 : x
  2. Step 2: Convert to fraction form
    28,715.46/43,052.40 = 8,983.32/x
  3. Step 3: Cross multiply
    28,715.46x = 43,052.40 × 8,983.32
  4. Step 4: Simplify right side
    28,715.46x = 386,753,485.97
  5. Step 5: Solve for x
    x = 386,753,485.97/28,715.46
  6. Step 6: Final answer
    x = 13,468.48

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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.