Home / 26,882.80-40,332.30-19,106.80

Finding the Fourth Proportional to 26,882.80, 40,332.30 and 19,106.80

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Solution

The fourth proportional to 26,882.80, 40,332.30 and 19,106.80 is: 28,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,882.80 : 40,332.30 = 19,106.80 : x
  2. Step 2: Convert to fraction form
    26,882.80/40,332.30 = 19,106.80/x
  3. Step 3: Cross multiply
    26,882.80x = 40,332.30 × 19,106.80
  4. Step 4: Simplify right side
    26,882.80x = 770,621,189.64
  5. Step 5: Solve for x
    x = 770,621,189.64/26,882.80
  6. Step 6: Final answer
    x = 28,665.96

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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.