Home / 25,964.32-38,940.72-10,377.76

Finding the Fourth Proportional to 25,964.32, 38,940.72 and 10,377.76

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Solution

The fourth proportional to 25,964.32, 38,940.72 and 10,377.76 is: 15,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,964.32 : 38,940.72 = 10,377.76 : x
  2. Step 2: Convert to fraction form
    25,964.32/38,940.72 = 10,377.76/x
  3. Step 3: Cross multiply
    25,964.32x = 38,940.72 × 10,377.76
  4. Step 4: Simplify right side
    25,964.32x = 404,117,446.39
  5. Step 5: Solve for x
    x = 404,117,446.39/25,964.32
  6. Step 6: Final answer
    x = 15,564.34

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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.