Home / 18,983.68-28,437.24-15,894.54

Finding the Fourth Proportional to 18,983.68, 28,437.24 and 15,894.54

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Solution

The fourth proportional to 18,983.68, 28,437.24 and 15,894.54 is: 23,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.68 : 28,437.24 = 15,894.54 : x
  2. Step 2: Convert to fraction form
    18,983.68/28,437.24 = 15,894.54/x
  3. Step 3: Cross multiply
    18,983.68x = 28,437.24 × 15,894.54
  4. Step 4: Simplify right side
    18,983.68x = 451,996,848.67
  5. Step 5: Solve for x
    x = 451,996,848.67/18,983.68
  6. Step 6: Final answer
    x = 23,809.76

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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.