Home / 27,637.40-41,455.92-7,915.96

Finding the Fourth Proportional to 27,637.40, 41,455.92 and 7,915.96

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Solution

The fourth proportional to 27,637.40, 41,455.92 and 7,915.96 is: 11,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.40 : 41,455.92 = 7,915.96 : x
  2. Step 2: Convert to fraction form
    27,637.40/41,455.92 = 7,915.96/x
  3. Step 3: Cross multiply
    27,637.40x = 41,455.92 × 7,915.96
  4. Step 4: Simplify right side
    27,637.40x = 328,163,197.20
  5. Step 5: Solve for x
    x = 328,163,197.20/27,637.40
  6. Step 6: Final answer
    x = 11,873.88

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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.