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Finding the Fourth Proportional to 40,216, 60,315.64 and 15,247.44

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Solution

The fourth proportional to 40,216, 60,315.64 and 15,247.44 is: 22,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216 : 60,315.64 = 15,247.44 : x
  2. Step 2: Convert to fraction form
    40,216/60,315.64 = 15,247.44/x
  3. Step 3: Cross multiply
    40,216x = 60,315.64 × 15,247.44
  4. Step 4: Simplify right side
    40,216x = 919,659,101.96
  5. Step 5: Solve for x
    x = 919,659,101.96/40,216
  6. Step 6: Final answer
    x = 22,867.99

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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.