Home / 17,728.40-26,560.20-14,423.60

Finding the Fourth Proportional to 17,728.40, 26,560.20 and 14,423.60

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Solution

The fourth proportional to 17,728.40, 26,560.20 and 14,423.60 is: 21,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728.40 : 26,560.20 = 14,423.60 : x
  2. Step 2: Convert to fraction form
    17,728.40/26,560.20 = 14,423.60/x
  3. Step 3: Cross multiply
    17,728.40x = 26,560.20 × 14,423.60
  4. Step 4: Simplify right side
    17,728.40x = 383,093,700.72
  5. Step 5: Solve for x
    x = 383,093,700.72/17,728.40
  6. Step 6: Final answer
    x = 21,609.04

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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.