Home / 25,396.12-35,042.48-15,958

Finding the Fourth Proportional to 25,396.12, 35,042.48 and 15,958

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Solution

The fourth proportional to 25,396.12, 35,042.48 and 15,958 is: 22,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.12 : 35,042.48 = 15,958 : x
  2. Step 2: Convert to fraction form
    25,396.12/35,042.48 = 15,958/x
  3. Step 3: Cross multiply
    25,396.12x = 35,042.48 × 15,958
  4. Step 4: Simplify right side
    25,396.12x = 559,207,895.84
  5. Step 5: Solve for x
    x = 559,207,895.84/25,396.12
  6. Step 6: Final answer
    x = 22,019.42

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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.