Home / 27,916.12-41,867.68-8,189.40

Finding the Fourth Proportional to 27,916.12, 41,867.68 and 8,189.40

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Solution

The fourth proportional to 27,916.12, 41,867.68 and 8,189.40 is: 12,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.12 : 41,867.68 = 8,189.40 : x
  2. Step 2: Convert to fraction form
    27,916.12/41,867.68 = 8,189.40/x
  3. Step 3: Cross multiply
    27,916.12x = 41,867.68 × 8,189.40
  4. Step 4: Simplify right side
    27,916.12x = 342,871,178.59
  5. Step 5: Solve for x
    x = 342,871,178.59/27,916.12
  6. Step 6: Final answer
    x = 12,282.19

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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.