Home / 21,676.66-32,513.28-6,885.71

Finding the Fourth Proportional to 21,676.66, 32,513.28 and 6,885.71

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Solution

The fourth proportional to 21,676.66, 32,513.28 and 6,885.71 is: 10,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.66 : 32,513.28 = 6,885.71 : x
  2. Step 2: Convert to fraction form
    21,676.66/32,513.28 = 6,885.71/x
  3. Step 3: Cross multiply
    21,676.66x = 32,513.28 × 6,885.71
  4. Step 4: Simplify right side
    21,676.66x = 223,876,976.59
  5. Step 5: Solve for x
    x = 223,876,976.59/21,676.66
  6. Step 6: Final answer
    x = 10,328.02

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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.