Home / 21,532.88-32,299.56-6,741.20

Finding the Fourth Proportional to 21,532.88, 32,299.56 and 6,741.20

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Solution

The fourth proportional to 21,532.88, 32,299.56 and 6,741.20 is: 10,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.88 : 32,299.56 = 6,741.20 : x
  2. Step 2: Convert to fraction form
    21,532.88/32,299.56 = 6,741.20/x
  3. Step 3: Cross multiply
    21,532.88x = 32,299.56 × 6,741.20
  4. Step 4: Simplify right side
    21,532.88x = 217,737,793.87
  5. Step 5: Solve for x
    x = 217,737,793.87/21,532.88
  6. Step 6: Final answer
    x = 10,111.88

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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.