Home / 25,436.52-35,093.97-15,361.13

Finding the Fourth Proportional to 25,436.52, 35,093.97 and 15,361.13

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Solution

The fourth proportional to 25,436.52, 35,093.97 and 15,361.13 is: 21,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.52 : 35,093.97 = 15,361.13 : x
  2. Step 2: Convert to fraction form
    25,436.52/35,093.97 = 15,361.13/x
  3. Step 3: Cross multiply
    25,436.52x = 35,093.97 × 15,361.13
  4. Step 4: Simplify right side
    25,436.52x = 539,082,859.92
  5. Step 5: Solve for x
    x = 539,082,859.92/25,436.52
  6. Step 6: Final answer
    x = 21,193.26

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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.