Home / 15,421.57-23,132.27-3,734.79

Finding the Fourth Proportional to 15,421.57, 23,132.27 and 3,734.79

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Solution

The fourth proportional to 15,421.57, 23,132.27 and 3,734.79 is: 5,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.57 : 23,132.27 = 3,734.79 : x
  2. Step 2: Convert to fraction form
    15,421.57/23,132.27 = 3,734.79/x
  3. Step 3: Cross multiply
    15,421.57x = 23,132.27 × 3,734.79
  4. Step 4: Simplify right side
    15,421.57x = 86,394,170.67
  5. Step 5: Solve for x
    x = 86,394,170.67/15,421.57
  6. Step 6: Final answer
    x = 5,602.16

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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.