Home / 27,147.92-37,464.11-15,211.34

Finding the Fourth Proportional to 27,147.92, 37,464.11 and 15,211.34

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Solution

The fourth proportional to 27,147.92, 37,464.11 and 15,211.34 is: 20,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.92 : 37,464.11 = 15,211.34 : x
  2. Step 2: Convert to fraction form
    27,147.92/37,464.11 = 15,211.34/x
  3. Step 3: Cross multiply
    27,147.92x = 37,464.11 × 15,211.34
  4. Step 4: Simplify right side
    27,147.92x = 569,879,438.51
  5. Step 5: Solve for x
    x = 569,879,438.51/27,147.92
  6. Step 6: Final answer
    x = 20,991.64

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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.