Home / 27,220.35-37,560.60-15,887.25

Finding the Fourth Proportional to 27,220.35, 37,560.60 and 15,887.25

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Solution

The fourth proportional to 27,220.35, 37,560.60 and 15,887.25 is: 21,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.35 : 37,560.60 = 15,887.25 : x
  2. Step 2: Convert to fraction form
    27,220.35/37,560.60 = 15,887.25/x
  3. Step 3: Cross multiply
    27,220.35x = 37,560.60 × 15,887.25
  4. Step 4: Simplify right side
    27,220.35x = 596,734,375.11
  5. Step 5: Solve for x
    x = 596,734,375.11/27,220.35
  6. Step 6: Final answer
    x = 21,922.36

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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.