Home / 21,789.14-32,683.56-14,426.54

Finding the Fourth Proportional to 21,789.14, 32,683.56 and 14,426.54

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Solution

The fourth proportional to 21,789.14, 32,683.56 and 14,426.54 is: 21,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789.14 : 32,683.56 = 14,426.54 : x
  2. Step 2: Convert to fraction form
    21,789.14/32,683.56 = 14,426.54/x
  3. Step 3: Cross multiply
    21,789.14x = 32,683.56 × 14,426.54
  4. Step 4: Simplify right side
    21,789.14x = 471,510,685.68
  5. Step 5: Solve for x
    x = 471,510,685.68/21,789.14
  6. Step 6: Final answer
    x = 21,639.71

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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.