Home / 40,286.89-60,421.22-15,318.03

Finding the Fourth Proportional to 40,286.89, 60,421.22 and 15,318.03

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Solution

The fourth proportional to 40,286.89, 60,421.22 and 15,318.03 is: 22,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.89 : 60,421.22 = 15,318.03 : x
  2. Step 2: Convert to fraction form
    40,286.89/60,421.22 = 15,318.03/x
  3. Step 3: Cross multiply
    40,286.89x = 60,421.22 × 15,318.03
  4. Step 4: Simplify right side
    40,286.89x = 925,534,060.60
  5. Step 5: Solve for x
    x = 925,534,060.60/40,286.89
  6. Step 6: Final answer
    x = 22,973.58

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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.