Home / 38,115.88-57,173.82-17,345.32

Finding the Fourth Proportional to 38,115.88, 57,173.82 and 17,345.32

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Solution

The fourth proportional to 38,115.88, 57,173.82 and 17,345.32 is: 26,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.88 : 57,173.82 = 17,345.32 : x
  2. Step 2: Convert to fraction form
    38,115.88/57,173.82 = 17,345.32/x
  3. Step 3: Cross multiply
    38,115.88x = 57,173.82 × 17,345.32
  4. Step 4: Simplify right side
    38,115.88x = 991,698,203.52
  5. Step 5: Solve for x
    x = 991,698,203.52/38,115.88
  6. Step 6: Final answer
    x = 26,017.98

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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.