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Finding the Fourth Proportional to 17,228.80, 23,775 and 10,155.64

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Solution

The fourth proportional to 17,228.80, 23,775 and 10,155.64 is: 14,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.80 : 23,775 = 10,155.64 : x
  2. Step 2: Convert to fraction form
    17,228.80/23,775 = 10,155.64/x
  3. Step 3: Cross multiply
    17,228.80x = 23,775 × 10,155.64
  4. Step 4: Simplify right side
    17,228.80x = 241,450,341
  5. Step 5: Solve for x
    x = 241,450,341/17,228.80
  6. Step 6: Final answer
    x = 14,014.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.