Home / 27,513.87-41,281.73-12,729.75

Finding the Fourth Proportional to 27,513.87, 41,281.73 and 12,729.75

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Solution

The fourth proportional to 27,513.87, 41,281.73 and 12,729.75 is: 19,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.87 : 41,281.73 = 12,729.75 : x
  2. Step 2: Convert to fraction form
    27,513.87/41,281.73 = 12,729.75/x
  3. Step 3: Cross multiply
    27,513.87x = 41,281.73 × 12,729.75
  4. Step 4: Simplify right side
    27,513.87x = 525,506,102.47
  5. Step 5: Solve for x
    x = 525,506,102.47/27,513.87
  6. Step 6: Final answer
    x = 19,099.68

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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.