Home / 38,278.31-57,420.36-10,198.26

Finding the Fourth Proportional to 38,278.31, 57,420.36 and 10,198.26

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Solution

The fourth proportional to 38,278.31, 57,420.36 and 10,198.26 is: 15,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.31 : 57,420.36 = 10,198.26 : x
  2. Step 2: Convert to fraction form
    38,278.31/57,420.36 = 10,198.26/x
  3. Step 3: Cross multiply
    38,278.31x = 57,420.36 × 10,198.26
  4. Step 4: Simplify right side
    38,278.31x = 585,587,760.57
  5. Step 5: Solve for x
    x = 585,587,760.57/38,278.31
  6. Step 6: Final answer
    x = 15,298.16

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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.