Home / 25,364.20-38,067.90-11,345.80

Finding the Fourth Proportional to 25,364.20, 38,067.90 and 11,345.80

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Solution

The fourth proportional to 25,364.20, 38,067.90 and 11,345.80 is: 17,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.20 : 38,067.90 = 11,345.80 : x
  2. Step 2: Convert to fraction form
    25,364.20/38,067.90 = 11,345.80/x
  3. Step 3: Cross multiply
    25,364.20x = 38,067.90 × 11,345.80
  4. Step 4: Simplify right side
    25,364.20x = 431,910,779.82
  5. Step 5: Solve for x
    x = 431,910,779.82/25,364.20
  6. Step 6: Final answer
    x = 17,028.36

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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.