Home / 17,018.28-25,463.22-15,291.72

Finding the Fourth Proportional to 17,018.28, 25,463.22 and 15,291.72

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Solution

The fourth proportional to 17,018.28, 25,463.22 and 15,291.72 is: 22,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.28 : 25,463.22 = 15,291.72 : x
  2. Step 2: Convert to fraction form
    17,018.28/25,463.22 = 15,291.72/x
  3. Step 3: Cross multiply
    17,018.28x = 25,463.22 × 15,291.72
  4. Step 4: Simplify right side
    17,018.28x = 389,376,430.54
  5. Step 5: Solve for x
    x = 389,376,430.54/17,018.28
  6. Step 6: Final answer
    x = 22,879.89

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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.