Home / 23,515.87-32,450.88-12,905.68

Finding the Fourth Proportional to 23,515.87, 32,450.88 and 12,905.68

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Solution

The fourth proportional to 23,515.87, 32,450.88 and 12,905.68 is: 17,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.87 : 32,450.88 = 12,905.68 : x
  2. Step 2: Convert to fraction form
    23,515.87/32,450.88 = 12,905.68/x
  3. Step 3: Cross multiply
    23,515.87x = 32,450.88 × 12,905.68
  4. Step 4: Simplify right side
    23,515.87x = 418,800,673.00
  5. Step 5: Solve for x
    x = 418,800,673.00/23,515.87
  6. Step 6: Final answer
    x = 17,809.28

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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.