Home / 27,338.80-41,008.20-18,007.60

Finding the Fourth Proportional to 27,338.80, 41,008.20 and 18,007.60

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Solution

The fourth proportional to 27,338.80, 41,008.20 and 18,007.60 is: 27,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.80 : 41,008.20 = 18,007.60 : x
  2. Step 2: Convert to fraction form
    27,338.80/41,008.20 = 18,007.60/x
  3. Step 3: Cross multiply
    27,338.80x = 41,008.20 × 18,007.60
  4. Step 4: Simplify right side
    27,338.80x = 738,459,262.32
  5. Step 5: Solve for x
    x = 738,459,262.32/27,338.80
  6. Step 6: Final answer
    x = 27,011.40

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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.