Home / 21,808.06-32,732.10-13,504.30

Finding the Fourth Proportional to 21,808.06, 32,732.10 and 13,504.30

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Solution

The fourth proportional to 21,808.06, 32,732.10 and 13,504.30 is: 20,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808.06 : 32,732.10 = 13,504.30 : x
  2. Step 2: Convert to fraction form
    21,808.06/32,732.10 = 13,504.30/x
  3. Step 3: Cross multiply
    21,808.06x = 32,732.10 × 13,504.30
  4. Step 4: Simplify right side
    21,808.06x = 442,024,098.03
  5. Step 5: Solve for x
    x = 442,024,098.03/21,808.06
  6. Step 6: Final answer
    x = 20,268.84

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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.