Home / 27,360.28-41,037.18-8,639.56

Finding the Fourth Proportional to 27,360.28, 41,037.18 and 8,639.56

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Solution

The fourth proportional to 27,360.28, 41,037.18 and 8,639.56 is: 12,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.28 : 41,037.18 = 8,639.56 : x
  2. Step 2: Convert to fraction form
    27,360.28/41,037.18 = 8,639.56/x
  3. Step 3: Cross multiply
    27,360.28x = 41,037.18 × 8,639.56
  4. Step 4: Simplify right side
    27,360.28x = 354,543,178.84
  5. Step 5: Solve for x
    x = 354,543,178.84/27,360.28
  6. Step 6: Final answer
    x = 12,958.32

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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.