Home / 26,142.45-39,191.61-11,340.21

Finding the Fourth Proportional to 26,142.45, 39,191.61 and 11,340.21

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Solution

The fourth proportional to 26,142.45, 39,191.61 and 11,340.21 is: 17,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.45 : 39,191.61 = 11,340.21 : x
  2. Step 2: Convert to fraction form
    26,142.45/39,191.61 = 11,340.21/x
  3. Step 3: Cross multiply
    26,142.45x = 39,191.61 × 11,340.21
  4. Step 4: Simplify right side
    26,142.45x = 444,441,087.64
  5. Step 5: Solve for x
    x = 444,441,087.64/26,142.45
  6. Step 6: Final answer
    x = 17,000.74

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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.