Home / 27,260.58-40,890.84-8,540.76

Finding the Fourth Proportional to 27,260.58, 40,890.84 and 8,540.76

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Solution

The fourth proportional to 27,260.58, 40,890.84 and 8,540.76 is: 12,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260.58 : 40,890.84 = 8,540.76 : x
  2. Step 2: Convert to fraction form
    27,260.58/40,890.84 = 8,540.76/x
  3. Step 3: Cross multiply
    27,260.58x = 40,890.84 × 8,540.76
  4. Step 4: Simplify right side
    27,260.58x = 349,238,850.64
  5. Step 5: Solve for x
    x = 349,238,850.64/27,260.58
  6. Step 6: Final answer
    x = 12,811.13

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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.