Home / 27,140.40-40,759.20-26,265.60

Finding the Fourth Proportional to 27,140.40, 40,759.20 and 26,265.60

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Solution

The fourth proportional to 27,140.40, 40,759.20 and 26,265.60 is: 39,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.40 : 40,759.20 = 26,265.60 : x
  2. Step 2: Convert to fraction form
    27,140.40/40,759.20 = 26,265.60/x
  3. Step 3: Cross multiply
    27,140.40x = 40,759.20 × 26,265.60
  4. Step 4: Simplify right side
    27,140.40x = 1,070,564,843.52
  5. Step 5: Solve for x
    x = 1,070,564,843.52/27,140.40
  6. Step 6: Final answer
    x = 39,445.43

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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.