Home / 15,503.28-23,212.32-10,827.96

Finding the Fourth Proportional to 15,503.28, 23,212.32 and 10,827.96

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Solution

The fourth proportional to 15,503.28, 23,212.32 and 10,827.96 is: 16,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.28 : 23,212.32 = 10,827.96 : x
  2. Step 2: Convert to fraction form
    15,503.28/23,212.32 = 10,827.96/x
  3. Step 3: Cross multiply
    15,503.28x = 23,212.32 × 10,827.96
  4. Step 4: Simplify right side
    15,503.28x = 251,342,072.47
  5. Step 5: Solve for x
    x = 251,342,072.47/15,503.28
  6. Step 6: Final answer
    x = 16,212.19

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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.