Home / 27,409.64-41,115.30-7,688.22

Finding the Fourth Proportional to 27,409.64, 41,115.30 and 7,688.22

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Solution

The fourth proportional to 27,409.64, 41,115.30 and 7,688.22 is: 11,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,409.64 : 41,115.30 = 7,688.22 : x
  2. Step 2: Convert to fraction form
    27,409.64/41,115.30 = 7,688.22/x
  3. Step 3: Cross multiply
    27,409.64x = 41,115.30 × 7,688.22
  4. Step 4: Simplify right side
    27,409.64x = 316,103,288.75
  5. Step 5: Solve for x
    x = 316,103,288.75/27,409.64
  6. Step 6: Final answer
    x = 11,532.56

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1.5x scale

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.