Home / 27,804.46-38,370.18-15,057.67

Finding the Fourth Proportional to 27,804.46, 38,370.18 and 15,057.67

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Solution

The fourth proportional to 27,804.46, 38,370.18 and 15,057.67 is: 20,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.46 : 38,370.18 = 15,057.67 : x
  2. Step 2: Convert to fraction form
    27,804.46/38,370.18 = 15,057.67/x
  3. Step 3: Cross multiply
    27,804.46x = 38,370.18 × 15,057.67
  4. Step 4: Simplify right side
    27,804.46x = 577,765,508.28
  5. Step 5: Solve for x
    x = 577,765,508.28/27,804.46
  6. Step 6: Final answer
    x = 20,779.60

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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.