Home / 27,588.75-38,076.72-15,649.56

Finding the Fourth Proportional to 27,588.75, 38,076.72 and 15,649.56

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Solution

The fourth proportional to 27,588.75, 38,076.72 and 15,649.56 is: 21,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.75 : 38,076.72 = 15,649.56 : x
  2. Step 2: Convert to fraction form
    27,588.75/38,076.72 = 15,649.56/x
  3. Step 3: Cross multiply
    27,588.75x = 38,076.72 × 15,649.56
  4. Step 4: Simplify right side
    27,588.75x = 595,883,914.24
  5. Step 5: Solve for x
    x = 595,883,914.24/27,588.75
  6. Step 6: Final answer
    x = 21,598.80

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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.