Home / 25,409.16-35,067.94-15,343.29

Finding the Fourth Proportional to 25,409.16, 35,067.94 and 15,343.29

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Solution

The fourth proportional to 25,409.16, 35,067.94 and 15,343.29 is: 21,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.16 : 35,067.94 = 15,343.29 : x
  2. Step 2: Convert to fraction form
    25,409.16/35,067.94 = 15,343.29/x
  3. Step 3: Cross multiply
    25,409.16x = 35,067.94 × 15,343.29
  4. Step 4: Simplify right side
    25,409.16x = 538,057,534.76
  5. Step 5: Solve for x
    x = 538,057,534.76/25,409.16
  6. Step 6: Final answer
    x = 21,175.73

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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.