Home / 17,765.28-26,647.92-9,002.70

Finding the Fourth Proportional to 17,765.28, 26,647.92 and 9,002.70

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Solution

The fourth proportional to 17,765.28, 26,647.92 and 9,002.70 is: 13,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.28 : 26,647.92 = 9,002.70 : x
  2. Step 2: Convert to fraction form
    17,765.28/26,647.92 = 9,002.70/x
  3. Step 3: Cross multiply
    17,765.28x = 26,647.92 × 9,002.70
  4. Step 4: Simplify right side
    17,765.28x = 239,903,229.38
  5. Step 5: Solve for x
    x = 239,903,229.38/17,765.28
  6. Step 6: Final answer
    x = 13,504.05

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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.