Home / 28,824.30-43,236.86-11,957.00

Finding the Fourth Proportional to 28,824.30, 43,236.86 and 11,957.00

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Solution

The fourth proportional to 28,824.30, 43,236.86 and 11,957.00 is: 17,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.30 : 43,236.86 = 11,957.00 : x
  2. Step 2: Convert to fraction form
    28,824.30/43,236.86 = 11,957.00/x
  3. Step 3: Cross multiply
    28,824.30x = 43,236.86 × 11,957.00
  4. Step 4: Simplify right side
    28,824.30x = 516,982,859.05
  5. Step 5: Solve for x
    x = 516,982,859.05/28,824.30
  6. Step 6: Final answer
    x = 17,935.66

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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.