Home / 21,806.06-32,729.10-13,502.30

Finding the Fourth Proportional to 21,806.06, 32,729.10 and 13,502.30

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Solution

The fourth proportional to 21,806.06, 32,729.10 and 13,502.30 is: 20,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806.06 : 32,729.10 = 13,502.30 : x
  2. Step 2: Convert to fraction form
    21,806.06/32,729.10 = 13,502.30/x
  3. Step 3: Cross multiply
    21,806.06x = 32,729.10 × 13,502.30
  4. Step 4: Simplify right side
    21,806.06x = 441,918,126.93
  5. Step 5: Solve for x
    x = 441,918,126.93/21,806.06
  6. Step 6: Final answer
    x = 20,265.84

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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.