Home / 28,293.21-42,439.54-17,202.96

Finding the Fourth Proportional to 28,293.21, 42,439.54 and 17,202.96

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Solution

The fourth proportional to 28,293.21, 42,439.54 and 17,202.96 is: 25,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.21 : 42,439.54 = 17,202.96 : x
  2. Step 2: Convert to fraction form
    28,293.21/42,439.54 = 17,202.96/x
  3. Step 3: Cross multiply
    28,293.21x = 42,439.54 × 17,202.96
  4. Step 4: Simplify right side
    28,293.21x = 730,085,709.04
  5. Step 5: Solve for x
    x = 730,085,709.04/28,293.21
  6. Step 6: Final answer
    x = 25,804.27

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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.