Home / 19,939.82-29,916.25-17,000.42

Finding the Fourth Proportional to 19,939.82, 29,916.25 and 17,000.42

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Solution

The fourth proportional to 19,939.82, 29,916.25 and 17,000.42 is: 25,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.82 : 29,916.25 = 17,000.42 : x
  2. Step 2: Convert to fraction form
    19,939.82/29,916.25 = 17,000.42/x
  3. Step 3: Cross multiply
    19,939.82x = 29,916.25 × 17,000.42
  4. Step 4: Simplify right side
    19,939.82x = 508,588,847.11
  5. Step 5: Solve for x
    x = 508,588,847.11/19,939.82
  6. Step 6: Final answer
    x = 25,506.20

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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.