Home / 23,039.70-31,795.92-12,967.62

Finding the Fourth Proportional to 23,039.70, 31,795.92 and 12,967.62

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Solution

The fourth proportional to 23,039.70, 31,795.92 and 12,967.62 is: 17,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.70 : 31,795.92 = 12,967.62 : x
  2. Step 2: Convert to fraction form
    23,039.70/31,795.92 = 12,967.62/x
  3. Step 3: Cross multiply
    23,039.70x = 31,795.92 × 12,967.62
  4. Step 4: Simplify right side
    23,039.70x = 412,317,408.11
  5. Step 5: Solve for x
    x = 412,317,408.11/23,039.70
  6. Step 6: Final answer
    x = 17,895.95

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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.