Home / 21,626.55-32,439.42-13,195.53

Finding the Fourth Proportional to 21,626.55, 32,439.42 and 13,195.53

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Solution

The fourth proportional to 21,626.55, 32,439.42 and 13,195.53 is: 19,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.55 : 32,439.42 = 13,195.53 : x
  2. Step 2: Convert to fraction form
    21,626.55/32,439.42 = 13,195.53/x
  3. Step 3: Cross multiply
    21,626.55x = 32,439.42 × 13,195.53
  4. Step 4: Simplify right side
    21,626.55x = 428,055,339.79
  5. Step 5: Solve for x
    x = 428,055,339.79/21,626.55
  6. Step 6: Final answer
    x = 19,793.05

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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.