Home / 27,517.10-37,975.50-15,580.52

Finding the Fourth Proportional to 27,517.10, 37,975.50 and 15,580.52

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Solution

The fourth proportional to 27,517.10, 37,975.50 and 15,580.52 is: 21,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.10 : 37,975.50 = 15,580.52 : x
  2. Step 2: Convert to fraction form
    27,517.10/37,975.50 = 15,580.52/x
  3. Step 3: Cross multiply
    27,517.10x = 37,975.50 × 15,580.52
  4. Step 4: Simplify right side
    27,517.10x = 591,678,037.26
  5. Step 5: Solve for x
    x = 591,678,037.26/27,517.10
  6. Step 6: Final answer
    x = 21,502.19

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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.