Home / 17,638.28-26,450.74-5,789.20

Finding the Fourth Proportional to 17,638.28, 26,450.74 and 5,789.20

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Solution

The fourth proportional to 17,638.28, 26,450.74 and 5,789.20 is: 8,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.28 : 26,450.74 = 5,789.20 : x
  2. Step 2: Convert to fraction form
    17,638.28/26,450.74 = 5,789.20/x
  3. Step 3: Cross multiply
    17,638.28x = 26,450.74 × 5,789.20
  4. Step 4: Simplify right side
    17,638.28x = 153,128,624.01
  5. Step 5: Solve for x
    x = 153,128,624.01/17,638.28
  6. Step 6: Final answer
    x = 8,681.61

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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.