Home / 21,710.20-32,589.60-16,801.60

Finding the Fourth Proportional to 21,710.20, 32,589.60 and 16,801.60

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Solution

The fourth proportional to 21,710.20, 32,589.60 and 16,801.60 is: 25,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.20 : 32,589.60 = 16,801.60 : x
  2. Step 2: Convert to fraction form
    21,710.20/32,589.60 = 16,801.60/x
  3. Step 3: Cross multiply
    21,710.20x = 32,589.60 × 16,801.60
  4. Step 4: Simplify right side
    21,710.20x = 547,557,423.36
  5. Step 5: Solve for x
    x = 547,557,423.36/21,710.20
  6. Step 6: Final answer
    x = 25,221.21

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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.