Home / 39,171.36-54,015.15-27,829.02

Finding the Fourth Proportional to 39,171.36, 54,015.15 and 27,829.02

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Solution

The fourth proportional to 39,171.36, 54,015.15 and 27,829.02 is: 38,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.36 : 54,015.15 = 27,829.02 : x
  2. Step 2: Convert to fraction form
    39,171.36/54,015.15 = 27,829.02/x
  3. Step 3: Cross multiply
    39,171.36x = 54,015.15 × 27,829.02
  4. Step 4: Simplify right side
    39,171.36x = 1,503,188,689.65
  5. Step 5: Solve for x
    x = 1,503,188,689.65/39,171.36
  6. Step 6: Final answer
    x = 38,374.69

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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.