Home / 22,829.20-31,503.70-12,757.72

Finding the Fourth Proportional to 22,829.20, 31,503.70 and 12,757.72

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Solution

The fourth proportional to 22,829.20, 31,503.70 and 12,757.72 is: 17,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,829.20 : 31,503.70 = 12,757.72 : x
  2. Step 2: Convert to fraction form
    22,829.20/31,503.70 = 12,757.72/x
  3. Step 3: Cross multiply
    22,829.20x = 31,503.70 × 12,757.72
  4. Step 4: Simplify right side
    22,829.20x = 401,915,383.56
  5. Step 5: Solve for x
    x = 401,915,383.56/22,829.20
  6. Step 6: Final answer
    x = 17,605.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.