Home / 21,532.41-32,305.10-6,742.89

Finding the Fourth Proportional to 21,532.41, 32,305.10 and 6,742.89

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Solution

The fourth proportional to 21,532.41, 32,305.10 and 6,742.89 is: 10,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.41 : 32,305.10 = 6,742.89 : x
  2. Step 2: Convert to fraction form
    21,532.41/32,305.10 = 6,742.89/x
  3. Step 3: Cross multiply
    21,532.41x = 32,305.10 × 6,742.89
  4. Step 4: Simplify right side
    21,532.41x = 217,829,702.02
  5. Step 5: Solve for x
    x = 217,829,702.02/21,532.41
  6. Step 6: Final answer
    x = 10,116.36

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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.