Home / 38,858.72-58,288.07-13,897.25

Finding the Fourth Proportional to 38,858.72, 58,288.07 and 13,897.25

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Solution

The fourth proportional to 38,858.72, 58,288.07 and 13,897.25 is: 20,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858.72 : 58,288.07 = 13,897.25 : x
  2. Step 2: Convert to fraction form
    38,858.72/58,288.07 = 13,897.25/x
  3. Step 3: Cross multiply
    38,858.72x = 58,288.07 × 13,897.25
  4. Step 4: Simplify right side
    38,858.72x = 810,044,170.56
  5. Step 5: Solve for x
    x = 810,044,170.56/38,858.72
  6. Step 6: Final answer
    x = 20,845.88

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1.5x scale

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.