Home / 28,925.57-43,394.76-12,299.87

Finding the Fourth Proportional to 28,925.57, 43,394.76 and 12,299.87

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Solution

The fourth proportional to 28,925.57, 43,394.76 and 12,299.87 is: 18,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.57 : 43,394.76 = 12,299.87 : x
  2. Step 2: Convert to fraction form
    28,925.57/43,394.76 = 12,299.87/x
  3. Step 3: Cross multiply
    28,925.57x = 43,394.76 × 12,299.87
  4. Step 4: Simplify right side
    28,925.57x = 533,749,906.68
  5. Step 5: Solve for x
    x = 533,749,906.68/28,925.57
  6. Step 6: Final answer
    x = 18,452.53

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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.