Home / 15,829.50-23,683.79-13,840.44

Finding the Fourth Proportional to 15,829.50, 23,683.79 and 13,840.44

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Solution

The fourth proportional to 15,829.50, 23,683.79 and 13,840.44 is: 20,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.50 : 23,683.79 = 13,840.44 : x
  2. Step 2: Convert to fraction form
    15,829.50/23,683.79 = 13,840.44/x
  3. Step 3: Cross multiply
    15,829.50x = 23,683.79 × 13,840.44
  4. Step 4: Simplify right side
    15,829.50x = 327,793,956.05
  5. Step 5: Solve for x
    x = 327,793,956.05/15,829.50
  6. Step 6: Final answer
    x = 20,707.80

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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.