Home / 23,143.76-31,954.24-14,771.60

Finding the Fourth Proportional to 23,143.76, 31,954.24 and 14,771.60

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Solution

The fourth proportional to 23,143.76, 31,954.24 and 14,771.60 is: 20,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.76 : 31,954.24 = 14,771.60 : x
  2. Step 2: Convert to fraction form
    23,143.76/31,954.24 = 14,771.60/x
  3. Step 3: Cross multiply
    23,143.76x = 31,954.24 × 14,771.60
  4. Step 4: Simplify right side
    23,143.76x = 472,015,251.58
  5. Step 5: Solve for x
    x = 472,015,251.58/23,143.76
  6. Step 6: Final answer
    x = 20,394.93

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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.