Home / 16,915.60-25,344.60-14,438.80

Finding the Fourth Proportional to 16,915.60, 25,344.60 and 14,438.80

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Solution

The fourth proportional to 16,915.60, 25,344.60 and 14,438.80 is: 21,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.60 : 25,344.60 = 14,438.80 : x
  2. Step 2: Convert to fraction form
    16,915.60/25,344.60 = 14,438.80/x
  3. Step 3: Cross multiply
    16,915.60x = 25,344.60 × 14,438.80
  4. Step 4: Simplify right side
    16,915.60x = 365,945,610.48
  5. Step 5: Solve for x
    x = 365,945,610.48/16,915.60
  6. Step 6: Final answer
    x = 21,633.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.