Home / 18,972.13-28,462.43-5,825.83

Finding the Fourth Proportional to 18,972.13, 28,462.43 and 5,825.83

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Solution

The fourth proportional to 18,972.13, 28,462.43 and 5,825.83 is: 8,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.13 : 28,462.43 = 5,825.83 : x
  2. Step 2: Convert to fraction form
    18,972.13/28,462.43 = 5,825.83/x
  3. Step 3: Cross multiply
    18,972.13x = 28,462.43 × 5,825.83
  4. Step 4: Simplify right side
    18,972.13x = 165,817,278.57
  5. Step 5: Solve for x
    x = 165,817,278.57/18,972.13
  6. Step 6: Final answer
    x = 8,740.05

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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.