Home / 27,276.09-40,914.63-8,555.70

Finding the Fourth Proportional to 27,276.09, 40,914.63 and 8,555.70

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Solution

The fourth proportional to 27,276.09, 40,914.63 and 8,555.70 is: 12,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.09 : 40,914.63 = 8,555.70 : x
  2. Step 2: Convert to fraction form
    27,276.09/40,914.63 = 8,555.70/x
  3. Step 3: Cross multiply
    27,276.09x = 40,914.63 × 8,555.70
  4. Step 4: Simplify right side
    27,276.09x = 350,053,299.89
  5. Step 5: Solve for x
    x = 350,053,299.89/27,276.09
  6. Step 6: Final answer
    x = 12,833.71

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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.