Home / 27,419.76-37,839.96-16,815.24

Finding the Fourth Proportional to 27,419.76, 37,839.96 and 16,815.24

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Solution

The fourth proportional to 27,419.76, 37,839.96 and 16,815.24 is: 23,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.76 : 37,839.96 = 16,815.24 : x
  2. Step 2: Convert to fraction form
    27,419.76/37,839.96 = 16,815.24/x
  3. Step 3: Cross multiply
    27,419.76x = 37,839.96 × 16,815.24
  4. Step 4: Simplify right side
    27,419.76x = 636,288,008.99
  5. Step 5: Solve for x
    x = 636,288,008.99/27,419.76
  6. Step 6: Final answer
    x = 23,205.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.