Home / 15,631.28-23,446.08-3,943.82

Finding the Fourth Proportional to 15,631.28, 23,446.08 and 3,943.82

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Solution

The fourth proportional to 15,631.28, 23,446.08 and 3,943.82 is: 5,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.28 : 23,446.08 = 3,943.82 : x
  2. Step 2: Convert to fraction form
    15,631.28/23,446.08 = 3,943.82/x
  3. Step 3: Cross multiply
    15,631.28x = 23,446.08 × 3,943.82
  4. Step 4: Simplify right side
    15,631.28x = 92,467,119.23
  5. Step 5: Solve for x
    x = 92,467,119.23/15,631.28
  6. Step 6: Final answer
    x = 5,915.52

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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.