Home / 27,105.31-40,629.16-13,056.58

Finding the Fourth Proportional to 27,105.31, 40,629.16 and 13,056.58

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Solution

The fourth proportional to 27,105.31, 40,629.16 and 13,056.58 is: 19,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.31 : 40,629.16 = 13,056.58 : x
  2. Step 2: Convert to fraction form
    27,105.31/40,629.16 = 13,056.58/x
  3. Step 3: Cross multiply
    27,105.31x = 40,629.16 × 13,056.58
  4. Step 4: Simplify right side
    27,105.31x = 530,477,877.87
  5. Step 5: Solve for x
    x = 530,477,877.87/27,105.31
  6. Step 6: Final answer
    x = 19,570.99

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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.