Home / 27,101.21-40,655.63-8,382.87

Finding the Fourth Proportional to 27,101.21, 40,655.63 and 8,382.87

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Solution

The fourth proportional to 27,101.21, 40,655.63 and 8,382.87 is: 12,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.21 : 40,655.63 = 8,382.87 : x
  2. Step 2: Convert to fraction form
    27,101.21/40,655.63 = 8,382.87/x
  3. Step 3: Cross multiply
    27,101.21x = 40,655.63 × 8,382.87
  4. Step 4: Simplify right side
    27,101.21x = 340,810,819.14
  5. Step 5: Solve for x
    x = 340,810,819.14/27,101.21
  6. Step 6: Final answer
    x = 12,575.49

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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.