Home / 38,207.81-57,305.44-10,129.60

Finding the Fourth Proportional to 38,207.81, 57,305.44 and 10,129.60

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Solution

The fourth proportional to 38,207.81, 57,305.44 and 10,129.60 is: 15,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.81 : 57,305.44 = 10,129.60 : x
  2. Step 2: Convert to fraction form
    38,207.81/57,305.44 = 10,129.60/x
  3. Step 3: Cross multiply
    38,207.81x = 57,305.44 × 10,129.60
  4. Step 4: Simplify right side
    38,207.81x = 580,481,185.02
  5. Step 5: Solve for x
    x = 580,481,185.02/38,207.81
  6. Step 6: Final answer
    x = 15,192.74

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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.