Home / 27,155.60-40,735.24-7,432.52

Finding the Fourth Proportional to 27,155.60, 40,735.24 and 7,432.52

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Solution

The fourth proportional to 27,155.60, 40,735.24 and 7,432.52 is: 11,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.60 : 40,735.24 = 7,432.52 : x
  2. Step 2: Convert to fraction form
    27,155.60/40,735.24 = 7,432.52/x
  3. Step 3: Cross multiply
    27,155.60x = 40,735.24 × 7,432.52
  4. Step 4: Simplify right side
    27,155.60x = 302,765,486.00
  5. Step 5: Solve for x
    x = 302,765,486.00/27,155.60
  6. Step 6: Final answer
    x = 11,149.28

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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.