Home / 38,127.60-57,213.88-15,939.26

Finding the Fourth Proportional to 38,127.60, 57,213.88 and 15,939.26

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Solution

The fourth proportional to 38,127.60, 57,213.88 and 15,939.26 is: 23,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.60 : 57,213.88 = 15,939.26 : x
  2. Step 2: Convert to fraction form
    38,127.60/57,213.88 = 15,939.26/x
  3. Step 3: Cross multiply
    38,127.60x = 57,213.88 × 15,939.26
  4. Step 4: Simplify right side
    38,127.60x = 911,946,908.93
  5. Step 5: Solve for x
    x = 911,946,908.93/38,127.60
  6. Step 6: Final answer
    x = 23,918.29

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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.