Home / 19,428.24-29,174.87-16,984.27

Finding the Fourth Proportional to 19,428.24, 29,174.87 and 16,984.27

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Solution

The fourth proportional to 19,428.24, 29,174.87 and 16,984.27 is: 25,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.24 : 29,174.87 = 16,984.27 : x
  2. Step 2: Convert to fraction form
    19,428.24/29,174.87 = 16,984.27/x
  3. Step 3: Cross multiply
    19,428.24x = 29,174.87 × 16,984.27
  4. Step 4: Simplify right side
    19,428.24x = 495,513,869.29
  5. Step 5: Solve for x
    x = 495,513,869.29/19,428.24
  6. Step 6: Final answer
    x = 25,504.83

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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.