Home / 27,907.09-38,511.11-15,969.67

Finding the Fourth Proportional to 27,907.09, 38,511.11 and 15,969.67

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Solution

The fourth proportional to 27,907.09, 38,511.11 and 15,969.67 is: 22,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.09 : 38,511.11 = 15,969.67 : x
  2. Step 2: Convert to fraction form
    27,907.09/38,511.11 = 15,969.67/x
  3. Step 3: Cross multiply
    27,907.09x = 38,511.11 × 15,969.67
  4. Step 4: Simplify right side
    27,907.09x = 615,009,661.68
  5. Step 5: Solve for x
    x = 615,009,661.68/27,907.09
  6. Step 6: Final answer
    x = 22,037.76

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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.