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Finding the Fourth Proportional to 56,635.75, 84,953.90 and 15,082.75

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Solution

The fourth proportional to 56,635.75, 84,953.90 and 15,082.75 is: 22,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,635.75 : 84,953.90 = 15,082.75 : x
  2. Step 2: Convert to fraction form
    56,635.75/84,953.90 = 15,082.75/x
  3. Step 3: Cross multiply
    56,635.75x = 84,953.90 × 15,082.75
  4. Step 4: Simplify right side
    56,635.75x = 1,281,338,435.23
  5. Step 5: Solve for x
    x = 1,281,338,435.23/56,635.75
  6. Step 6: Final answer
    x = 22,624.20

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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.