Home / 28,252.15-42,391.99-11,617.18

Finding the Fourth Proportional to 28,252.15, 42,391.99 and 11,617.18

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Solution

The fourth proportional to 28,252.15, 42,391.99 and 11,617.18 is: 17,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.15 : 42,391.99 = 11,617.18 : x
  2. Step 2: Convert to fraction form
    28,252.15/42,391.99 = 11,617.18/x
  3. Step 3: Cross multiply
    28,252.15x = 42,391.99 × 11,617.18
  4. Step 4: Simplify right side
    28,252.15x = 492,475,286.93
  5. Step 5: Solve for x
    x = 492,475,286.93/28,252.15
  6. Step 6: Final answer
    x = 17,431.43

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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.