Home / 27,856.46-41,725.57-21,905.08

Finding the Fourth Proportional to 27,856.46, 41,725.57 and 21,905.08

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Solution

The fourth proportional to 27,856.46, 41,725.57 and 21,905.08 is: 32,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.46 : 41,725.57 = 21,905.08 : x
  2. Step 2: Convert to fraction form
    27,856.46/41,725.57 = 21,905.08/x
  3. Step 3: Cross multiply
    27,856.46x = 41,725.57 × 21,905.08
  4. Step 4: Simplify right side
    27,856.46x = 914,002,034.79
  5. Step 5: Solve for x
    x = 914,002,034.79/27,856.46
  6. Step 6: Final answer
    x = 32,811.14

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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.