Home / 38,625.30-57,975.40-18,648.87

Finding the Fourth Proportional to 38,625.30, 57,975.40 and 18,648.87

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Solution

The fourth proportional to 38,625.30, 57,975.40 and 18,648.87 is: 27,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,625.30 : 57,975.40 = 18,648.87 : x
  2. Step 2: Convert to fraction form
    38,625.30/57,975.40 = 18,648.87/x
  3. Step 3: Cross multiply
    38,625.30x = 57,975.40 × 18,648.87
  4. Step 4: Simplify right side
    38,625.30x = 1,081,175,697.80
  5. Step 5: Solve for x
    x = 1,081,175,697.80/38,625.30
  6. Step 6: Final answer
    x = 27,991.39

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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.