Home / 27,197.60-40,730.70-15,475.28

Finding the Fourth Proportional to 27,197.60, 40,730.70 and 15,475.28

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Solution

The fourth proportional to 27,197.60, 40,730.70 and 15,475.28 is: 23,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.60 : 40,730.70 = 15,475.28 : x
  2. Step 2: Convert to fraction form
    27,197.60/40,730.70 = 15,475.28/x
  3. Step 3: Cross multiply
    27,197.60x = 40,730.70 × 15,475.28
  4. Step 4: Simplify right side
    27,197.60x = 630,318,987.10
  5. Step 5: Solve for x
    x = 630,318,987.10/27,197.60
  6. Step 6: Final answer
    x = 23,175.54

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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.