Home / 21,448.70-32,137.48-15,177.62

Finding the Fourth Proportional to 21,448.70, 32,137.48 and 15,177.62

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Solution

The fourth proportional to 21,448.70, 32,137.48 and 15,177.62 is: 22,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.70 : 32,137.48 = 15,177.62 : x
  2. Step 2: Convert to fraction form
    21,448.70/32,137.48 = 15,177.62/x
  3. Step 3: Cross multiply
    21,448.70x = 32,137.48 × 15,177.62
  4. Step 4: Simplify right side
    21,448.70x = 487,770,501.60
  5. Step 5: Solve for x
    x = 487,770,501.60/21,448.70
  6. Step 6: Final answer
    x = 22,741.27

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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.