Home / 23,059.03-31,821.58-12,987.62

Finding the Fourth Proportional to 23,059.03, 31,821.58 and 12,987.62

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Solution

The fourth proportional to 23,059.03, 31,821.58 and 12,987.62 is: 17,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,059.03 : 31,821.58 = 12,987.62 : x
  2. Step 2: Convert to fraction form
    23,059.03/31,821.58 = 12,987.62/x
  3. Step 3: Cross multiply
    23,059.03x = 31,821.58 × 12,987.62
  4. Step 4: Simplify right side
    23,059.03x = 413,286,512.33
  5. Step 5: Solve for x
    x = 413,286,512.33/23,059.03
  6. Step 6: Final answer
    x = 17,922.98

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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.