Home / 26,581.31-36,687.53-15,258.47

Finding the Fourth Proportional to 26,581.31, 36,687.53 and 15,258.47

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Solution

The fourth proportional to 26,581.31, 36,687.53 and 15,258.47 is: 21,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.31 : 36,687.53 = 15,258.47 : x
  2. Step 2: Convert to fraction form
    26,581.31/36,687.53 = 15,258.47/x
  3. Step 3: Cross multiply
    26,581.31x = 36,687.53 × 15,258.47
  4. Step 4: Simplify right side
    26,581.31x = 559,795,316.15
  5. Step 5: Solve for x
    x = 559,795,316.15/26,581.31
  6. Step 6: Final answer
    x = 21,059.73

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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.