Home / 40,286.39-60,420.47-15,317.54

Finding the Fourth Proportional to 40,286.39, 60,420.47 and 15,317.54

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Solution

The fourth proportional to 40,286.39, 60,420.47 and 15,317.54 is: 22,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.39 : 60,420.47 = 15,317.54 : x
  2. Step 2: Convert to fraction form
    40,286.39/60,420.47 = 15,317.54/x
  3. Step 3: Cross multiply
    40,286.39x = 60,420.47 × 15,317.54
  4. Step 4: Simplify right side
    40,286.39x = 925,492,663.94
  5. Step 5: Solve for x
    x = 925,492,663.94/40,286.39
  6. Step 6: Final answer
    x = 22,972.84

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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.