Home / 21,517.57-32,281.55-7,475.56

Finding the Fourth Proportional to 21,517.57, 32,281.55 and 7,475.56

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Solution

The fourth proportional to 21,517.57, 32,281.55 and 7,475.56 is: 11,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.57 : 32,281.55 = 7,475.56 : x
  2. Step 2: Convert to fraction form
    21,517.57/32,281.55 = 7,475.56/x
  3. Step 3: Cross multiply
    21,517.57x = 32,281.55 × 7,475.56
  4. Step 4: Simplify right side
    21,517.57x = 241,322,573.87
  5. Step 5: Solve for x
    x = 241,322,573.87/21,517.57
  6. Step 6: Final answer
    x = 11,215.14

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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.