Home / 28,986.92-43,462.61-12,337.47

Finding the Fourth Proportional to 28,986.92, 43,462.61 and 12,337.47

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Solution

The fourth proportional to 28,986.92, 43,462.61 and 12,337.47 is: 18,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.92 : 43,462.61 = 12,337.47 : x
  2. Step 2: Convert to fraction form
    28,986.92/43,462.61 = 12,337.47/x
  3. Step 3: Cross multiply
    28,986.92x = 43,462.61 × 12,337.47
  4. Step 4: Simplify right side
    28,986.92x = 536,218,631.57
  5. Step 5: Solve for x
    x = 536,218,631.57/28,986.92
  6. Step 6: Final answer
    x = 18,498.64

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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.