Home / 25,996.82-35,884.80-15,386.42

Finding the Fourth Proportional to 25,996.82, 35,884.80 and 15,386.42

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Solution

The fourth proportional to 25,996.82, 35,884.80 and 15,386.42 is: 21,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.82 : 35,884.80 = 15,386.42 : x
  2. Step 2: Convert to fraction form
    25,996.82/35,884.80 = 15,386.42/x
  3. Step 3: Cross multiply
    25,996.82x = 35,884.80 × 15,386.42
  4. Step 4: Simplify right side
    25,996.82x = 552,138,694.13
  5. Step 5: Solve for x
    x = 552,138,694.13/25,996.82
  6. Step 6: Final answer
    x = 21,238.71

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Double scale
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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.