Home / 27,178.60-40,763.53-7,452.58

Finding the Fourth Proportional to 27,178.60, 40,763.53 and 7,452.58

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Solution

The fourth proportional to 27,178.60, 40,763.53 and 7,452.58 is: 11,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.60 : 40,763.53 = 7,452.58 : x
  2. Step 2: Convert to fraction form
    27,178.60/40,763.53 = 7,452.58/x
  3. Step 3: Cross multiply
    27,178.60x = 40,763.53 × 7,452.58
  4. Step 4: Simplify right side
    27,178.60x = 303,793,468.41
  5. Step 5: Solve for x
    x = 303,793,468.41/27,178.60
  6. Step 6: Final answer
    x = 11,177.67

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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.