Home / 19,885.32-29,812.92-17,144.28

Finding the Fourth Proportional to 19,885.32, 29,812.92 and 17,144.28

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Solution

The fourth proportional to 19,885.32, 29,812.92 and 17,144.28 is: 25,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.32 : 29,812.92 = 17,144.28 : x
  2. Step 2: Convert to fraction form
    19,885.32/29,812.92 = 17,144.28/x
  3. Step 3: Cross multiply
    19,885.32x = 29,812.92 × 17,144.28
  4. Step 4: Simplify right side
    19,885.32x = 511,121,048.10
  5. Step 5: Solve for x
    x = 511,121,048.10/19,885.32
  6. Step 6: Final answer
    x = 25,703.44

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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.