Home / 21,616.90-32,427.51-6,623.85

Finding the Fourth Proportional to 21,616.90, 32,427.51 and 6,623.85

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Solution

The fourth proportional to 21,616.90, 32,427.51 and 6,623.85 is: 9,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.90 : 32,427.51 = 6,623.85 : x
  2. Step 2: Convert to fraction form
    21,616.90/32,427.51 = 6,623.85/x
  3. Step 3: Cross multiply
    21,616.90x = 32,427.51 × 6,623.85
  4. Step 4: Simplify right side
    21,616.90x = 214,794,962.11
  5. Step 5: Solve for x
    x = 214,794,962.11/21,616.90
  6. Step 6: Final answer
    x = 9,936.44

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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.