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Finding the Fourth Proportional to 52,375.28, 78,575.22 and 17,314.94

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Solution

The fourth proportional to 52,375.28, 78,575.22 and 17,314.94 is: 25,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.28 : 78,575.22 = 17,314.94 : x
  2. Step 2: Convert to fraction form
    52,375.28/78,575.22 = 17,314.94/x
  3. Step 3: Cross multiply
    52,375.28x = 78,575.22 × 17,314.94
  4. Step 4: Simplify right side
    52,375.28x = 1,360,525,219.79
  5. Step 5: Solve for x
    x = 1,360,525,219.79/52,375.28
  6. Step 6: Final answer
    x = 25,976.48

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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.