Home / 25,913.82-38,862.08-15,918.32

Finding the Fourth Proportional to 25,913.82, 38,862.08 and 15,918.32

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Solution

The fourth proportional to 25,913.82, 38,862.08 and 15,918.32 is: 23,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.82 : 38,862.08 = 15,918.32 : x
  2. Step 2: Convert to fraction form
    25,913.82/38,862.08 = 15,918.32/x
  3. Step 3: Cross multiply
    25,913.82x = 38,862.08 × 15,918.32
  4. Step 4: Simplify right side
    25,913.82x = 618,619,102.56
  5. Step 5: Solve for x
    x = 618,619,102.56/25,913.82
  6. Step 6: Final answer
    x = 23,872.17

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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.