Home / 15,915.29-23,827.82-13,225.28

Finding the Fourth Proportional to 15,915.29, 23,827.82 and 13,225.28

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Solution

The fourth proportional to 15,915.29, 23,827.82 and 13,225.28 is: 19,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.29 : 23,827.82 = 13,225.28 : x
  2. Step 2: Convert to fraction form
    15,915.29/23,827.82 = 13,225.28/x
  3. Step 3: Cross multiply
    15,915.29x = 23,827.82 × 13,225.28
  4. Step 4: Simplify right side
    15,915.29x = 315,129,472.15
  5. Step 5: Solve for x
    x = 315,129,472.15/15,915.29
  6. Step 6: Final answer
    x = 19,800.43

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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.