Home / 21,340.57-32,025.13-8,860.60

Finding the Fourth Proportional to 21,340.57, 32,025.13 and 8,860.60

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Solution

The fourth proportional to 21,340.57, 32,025.13 and 8,860.60 is: 13,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.57 : 32,025.13 = 8,860.60 : x
  2. Step 2: Convert to fraction form
    21,340.57/32,025.13 = 8,860.60/x
  3. Step 3: Cross multiply
    21,340.57x = 32,025.13 × 8,860.60
  4. Step 4: Simplify right side
    21,340.57x = 283,761,866.88
  5. Step 5: Solve for x
    x = 283,761,866.88/21,340.57
  6. Step 6: Final answer
    x = 13,296.83

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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.