Home / 43,586.64-65,379.65-28,861.44

Finding the Fourth Proportional to 43,586.64, 65,379.65 and 28,861.44

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Solution

The fourth proportional to 43,586.64, 65,379.65 and 28,861.44 is: 43,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.64 : 65,379.65 = 28,861.44 : x
  2. Step 2: Convert to fraction form
    43,586.64/65,379.65 = 28,861.44/x
  3. Step 3: Cross multiply
    43,586.64x = 65,379.65 × 28,861.44
  4. Step 4: Simplify right side
    43,586.64x = 1,886,950,701.39
  5. Step 5: Solve for x
    x = 1,886,950,701.39/43,586.64
  6. Step 6: Final answer
    x = 43,291.95

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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.