Home / 43,504.75-65,257.40-15,425.47

Finding the Fourth Proportional to 43,504.75, 65,257.40 and 15,425.47

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Solution

The fourth proportional to 43,504.75, 65,257.40 and 15,425.47 is: 23,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,504.75 : 65,257.40 = 15,425.47 : x
  2. Step 2: Convert to fraction form
    43,504.75/65,257.40 = 15,425.47/x
  3. Step 3: Cross multiply
    43,504.75x = 65,257.40 × 15,425.47
  4. Step 4: Simplify right side
    43,504.75x = 1,006,626,065.98
  5. Step 5: Solve for x
    x = 1,006,626,065.98/43,504.75
  6. Step 6: Final answer
    x = 23,138.30

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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.