Home / 27,195.75-37,531.40-15,863.45

Finding the Fourth Proportional to 27,195.75, 37,531.40 and 15,863.45

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Solution

The fourth proportional to 27,195.75, 37,531.40 and 15,863.45 is: 21,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.75 : 37,531.40 = 15,863.45 : x
  2. Step 2: Convert to fraction form
    27,195.75/37,531.40 = 15,863.45/x
  3. Step 3: Cross multiply
    27,195.75x = 37,531.40 × 15,863.45
  4. Step 4: Simplify right side
    27,195.75x = 595,377,220.36
  5. Step 5: Solve for x
    x = 595,377,220.36/27,195.75
  6. Step 6: Final answer
    x = 21,892.29

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1.5x scale

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.