Home / 28,956.77-43,353.24-18,400.62

Finding the Fourth Proportional to 28,956.77, 43,353.24 and 18,400.62

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Solution

The fourth proportional to 28,956.77, 43,353.24 and 18,400.62 is: 27,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.77 : 43,353.24 = 18,400.62 : x
  2. Step 2: Convert to fraction form
    28,956.77/43,353.24 = 18,400.62/x
  3. Step 3: Cross multiply
    28,956.77x = 43,353.24 × 18,400.62
  4. Step 4: Simplify right side
    28,956.77x = 797,726,495.01
  5. Step 5: Solve for x
    x = 797,726,495.01/28,956.77
  6. Step 6: Final answer
    x = 27,548.88

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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.