Home / 26,140.62-36,079.26-15,528.18

Finding the Fourth Proportional to 26,140.62, 36,079.26 and 15,528.18

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Solution

The fourth proportional to 26,140.62, 36,079.26 and 15,528.18 is: 21,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.62 : 36,079.26 = 15,528.18 : x
  2. Step 2: Convert to fraction form
    26,140.62/36,079.26 = 15,528.18/x
  3. Step 3: Cross multiply
    26,140.62x = 36,079.26 × 15,528.18
  4. Step 4: Simplify right side
    26,140.62x = 560,245,243.55
  5. Step 5: Solve for x
    x = 560,245,243.55/26,140.62
  6. Step 6: Final answer
    x = 21,431.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.