Home / 28,788.63-43,182.94-12,372.63

Finding the Fourth Proportional to 28,788.63, 43,182.94 and 12,372.63

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Solution

The fourth proportional to 28,788.63, 43,182.94 and 12,372.63 is: 18,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.63 : 43,182.94 = 12,372.63 : x
  2. Step 2: Convert to fraction form
    28,788.63/43,182.94 = 12,372.63/x
  3. Step 3: Cross multiply
    28,788.63x = 43,182.94 × 12,372.63
  4. Step 4: Simplify right side
    28,788.63x = 534,286,323.02
  5. Step 5: Solve for x
    x = 534,286,323.02/28,788.63
  6. Step 6: Final answer
    x = 18,558.94

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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.