Home / 23,515.20-32,450.88-12,904.81

Finding the Fourth Proportional to 23,515.20, 32,450.88 and 12,904.81

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Solution

The fourth proportional to 23,515.20, 32,450.88 and 12,904.81 is: 17,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.20 : 32,450.88 = 12,904.81 : x
  2. Step 2: Convert to fraction form
    23,515.20/32,450.88 = 12,904.81/x
  3. Step 3: Cross multiply
    23,515.20x = 32,450.88 × 12,904.81
  4. Step 4: Simplify right side
    23,515.20x = 418,772,440.73
  5. Step 5: Solve for x
    x = 418,772,440.73/23,515.20
  6. Step 6: Final answer
    x = 17,808.59

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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.