Home / 27,829.47-38,406.24-16,505.67

Finding the Fourth Proportional to 27,829.47, 38,406.24 and 16,505.67

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Solution

The fourth proportional to 27,829.47, 38,406.24 and 16,505.67 is: 22,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.47 : 38,406.24 = 16,505.67 : x
  2. Step 2: Convert to fraction form
    27,829.47/38,406.24 = 16,505.67/x
  3. Step 3: Cross multiply
    27,829.47x = 38,406.24 × 16,505.67
  4. Step 4: Simplify right side
    27,829.47x = 633,920,723.38
  5. Step 5: Solve for x
    x = 633,920,723.38/27,829.47
  6. Step 6: Final answer
    x = 22,778.76

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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.