Home / 25,436.82-35,101.80-15,371.16

Finding the Fourth Proportional to 25,436.82, 35,101.80 and 15,371.16

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Solution

The fourth proportional to 25,436.82, 35,101.80 and 15,371.16 is: 21,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.82 : 35,101.80 = 15,371.16 : x
  2. Step 2: Convert to fraction form
    25,436.82/35,101.80 = 15,371.16/x
  3. Step 3: Cross multiply
    25,436.82x = 35,101.80 × 15,371.16
  4. Step 4: Simplify right side
    25,436.82x = 539,555,384.09
  5. Step 5: Solve for x
    x = 539,555,384.09/25,436.82
  6. Step 6: Final answer
    x = 21,211.59

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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.