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Finding the Fourth Proportional to 15,158.88, 22,728 and 5,292.75

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Solution

The fourth proportional to 15,158.88, 22,728 and 5,292.75 is: 7,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158.88 : 22,728 = 5,292.75 : x
  2. Step 2: Convert to fraction form
    15,158.88/22,728 = 5,292.75/x
  3. Step 3: Cross multiply
    15,158.88x = 22,728 × 5,292.75
  4. Step 4: Simplify right side
    15,158.88x = 120,293,622
  5. Step 5: Solve for x
    x = 120,293,622/15,158.88
  6. Step 6: Final answer
    x = 7,935.52

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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.