Home / 27,115.92-37,420.64-15,179.16

Finding the Fourth Proportional to 27,115.92, 37,420.64 and 15,179.16

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Solution

The fourth proportional to 27,115.92, 37,420.64 and 15,179.16 is: 20,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.92 : 37,420.64 = 15,179.16 : x
  2. Step 2: Convert to fraction form
    27,115.92/37,420.64 = 15,179.16/x
  3. Step 3: Cross multiply
    27,115.92x = 37,420.64 × 15,179.16
  4. Step 4: Simplify right side
    27,115.92x = 568,013,881.86
  5. Step 5: Solve for x
    x = 568,013,881.86/27,115.92
  6. Step 6: Final answer
    x = 20,947.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.