Home / 21,944.56-32,900.28-7,144.64

Finding the Fourth Proportional to 21,944.56, 32,900.28 and 7,144.64

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Solution

The fourth proportional to 21,944.56, 32,900.28 and 7,144.64 is: 10,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.56 : 32,900.28 = 7,144.64 : x
  2. Step 2: Convert to fraction form
    21,944.56/32,900.28 = 7,144.64/x
  3. Step 3: Cross multiply
    21,944.56x = 32,900.28 × 7,144.64
  4. Step 4: Simplify right side
    21,944.56x = 235,060,656.50
  5. Step 5: Solve for x
    x = 235,060,656.50/21,944.56
  6. Step 6: Final answer
    x = 10,711.57

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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.