Home / 17,784.63-26,676.93-15,728.85

Finding the Fourth Proportional to 17,784.63, 26,676.93 and 15,728.85

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Solution

The fourth proportional to 17,784.63, 26,676.93 and 15,728.85 is: 23,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.63 : 26,676.93 = 15,728.85 : x
  2. Step 2: Convert to fraction form
    17,784.63/26,676.93 = 15,728.85/x
  3. Step 3: Cross multiply
    17,784.63x = 26,676.93 × 15,728.85
  4. Step 4: Simplify right side
    17,784.63x = 419,597,430.43
  5. Step 5: Solve for x
    x = 419,597,430.43/17,784.63
  6. Step 6: Final answer
    x = 23,593.26

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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.