Home / 15,438.58-23,157.80-3,751.82

Finding the Fourth Proportional to 15,438.58, 23,157.80 and 3,751.82

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Solution

The fourth proportional to 15,438.58, 23,157.80 and 3,751.82 is: 5,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.58 : 23,157.80 = 3,751.82 : x
  2. Step 2: Convert to fraction form
    15,438.58/23,157.80 = 3,751.82/x
  3. Step 3: Cross multiply
    15,438.58x = 23,157.80 × 3,751.82
  4. Step 4: Simplify right side
    15,438.58x = 86,883,897.20
  5. Step 5: Solve for x
    x = 86,883,897.20/15,438.58
  6. Step 6: Final answer
    x = 5,627.71

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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.