Home / 21,568.28-32,336.86-6,769.24

Finding the Fourth Proportional to 21,568.28, 32,336.86 and 6,769.24

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Solution

The fourth proportional to 21,568.28, 32,336.86 and 6,769.24 is: 10,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.28 : 32,336.86 = 6,769.24 : x
  2. Step 2: Convert to fraction form
    21,568.28/32,336.86 = 6,769.24/x
  3. Step 3: Cross multiply
    21,568.28x = 32,336.86 × 6,769.24
  4. Step 4: Simplify right side
    21,568.28x = 218,895,966.19
  5. Step 5: Solve for x
    x = 218,895,966.19/21,568.28
  6. Step 6: Final answer
    x = 10,148.98

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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.