Home / 21,715.38-32,527.19-13,813.62

Finding the Fourth Proportional to 21,715.38, 32,527.19 and 13,813.62

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Solution

The fourth proportional to 21,715.38, 32,527.19 and 13,813.62 is: 20,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.38 : 32,527.19 = 13,813.62 : x
  2. Step 2: Convert to fraction form
    21,715.38/32,527.19 = 13,813.62/x
  3. Step 3: Cross multiply
    21,715.38x = 32,527.19 × 13,813.62
  4. Step 4: Simplify right side
    21,715.38x = 449,318,173.26
  5. Step 5: Solve for x
    x = 449,318,173.26/21,715.38
  6. Step 6: Final answer
    x = 20,691.24

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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.