Home / 27,106.21-40,643.25-8,380.70

Finding the Fourth Proportional to 27,106.21, 40,643.25 and 8,380.70

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Solution

The fourth proportional to 27,106.21, 40,643.25 and 8,380.70 is: 12,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.21 : 40,643.25 = 8,380.70 : x
  2. Step 2: Convert to fraction form
    27,106.21/40,643.25 = 8,380.70/x
  3. Step 3: Cross multiply
    27,106.21x = 40,643.25 × 8,380.70
  4. Step 4: Simplify right side
    27,106.21x = 340,618,885.28
  5. Step 5: Solve for x
    x = 340,618,885.28/27,106.21
  6. Step 6: Final answer
    x = 12,566.08

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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.