Home / 38,817.94-58,239.22-13,857.44

Finding the Fourth Proportional to 38,817.94, 58,239.22 and 13,857.44

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Solution

The fourth proportional to 38,817.94, 58,239.22 and 13,857.44 is: 20,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.94 : 58,239.22 = 13,857.44 : x
  2. Step 2: Convert to fraction form
    38,817.94/58,239.22 = 13,857.44/x
  3. Step 3: Cross multiply
    38,817.94x = 58,239.22 × 13,857.44
  4. Step 4: Simplify right side
    38,817.94x = 807,046,389.35
  5. Step 5: Solve for x
    x = 807,046,389.35/38,817.94
  6. Step 6: Final answer
    x = 20,790.55

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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.