Home / 39,915.43-59,865.43-13,257.27

Finding the Fourth Proportional to 39,915.43, 59,865.43 and 13,257.27

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Solution

The fourth proportional to 39,915.43, 59,865.43 and 13,257.27 is: 19,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.43 : 59,865.43 = 13,257.27 : x
  2. Step 2: Convert to fraction form
    39,915.43/59,865.43 = 13,257.27/x
  3. Step 3: Cross multiply
    39,915.43x = 59,865.43 × 13,257.27
  4. Step 4: Simplify right side
    39,915.43x = 793,652,160.89
  5. Step 5: Solve for x
    x = 793,652,160.89/39,915.43
  6. Step 6: Final answer
    x = 19,883.34

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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.